- 20. Suppose -178 = -90*q + 272. Solve 0*g + 9 = 5*g + 2*t, -3*g + q*t - 7 = o for g.
1
Let q be 1735/115 + (-58)/667. Solve 5*l = -q*y + 12*y - 5, -3*y - 21 = -3*l for l.
2
Suppose 0 = v + s - 4*s + 308, -314 = v + 3*s. Let z = v - -315. Solve -z*q + 37 = -5*c, 4*q - q + c = 4 for q.
3
Let h = 35 - 21. Let t be (-3 - 0)/((-3)/h). Suppose -115 = q - 6*q. Solve -5*i + 3*v - 51 = -t, 2*v - q = 3*i for i.
-5
Let r(g) be the second derivative of 0 + 6*g**2 - 1/12*g**4 - 8*g + 11/6*g**3. Let v be r(12). Solve 2*n = 5*h + 6*n - 6, -2*n + 8 = v for h.
-2
Let p = -448 - -248. Let l = -192 - p. Solve 0 = -2*f + 3*n - 2 + 21, 0 = 4*f + 4*n - l for f.
5
Suppose -838*o + 7 + 5 = -835*o. Solve 3*s + t - 82 + 71 = 0, 3*t = -o*s + 23 for s.
2
Suppose 2*f + 15 = 5*c, c + 2*f = 4*f + 3. Suppose 0*v + v - 49 = c*x, -3*x = 0. Solve 5*m = -3*p - 12 + v, 2*p - 2*m = -2 for p.
4
Let x be (0 - 9/(-2)) + (-2)/4. Let q be (-5)/(2/12 - 1). Suppose 0 = -q*k + k. Solve -3*a + 14 = 2*a + u, k = -x*a - 2*u + 10 for a.
3
Suppose -49 - 11 = -5*h - 3*v, 33 = 2*h + 3*v. Solve -2 = 2*t + j, -3*t = 83*j - 80*j + h for t.
1
Let p = -156 - -151. Let m be 20/((-12)/3) - p. Solve 2*z = -m*g + 3*g - 2, z = -3*g - 1 for g.
0
Let t be (3/9)/(9/378). Suppose 15*s + 5 = t*s, 0 = -2*l - 2*s - 2. Solve -l*r + 22 = 2*x, 0*r + 3*x = -4*r + 23 for r.
5
Let y = 14 + 9. Suppose 0 = d - y*d - 5*d. Solve -x - r = 9, -5*x - 2*r - 33 = -d*r for x.
-5
Suppose 29*i = -39*i - 41*i. Solve -y + 2 = i, 4*y + 25 = -3*n + 21 for n.
-4
Let k be 39*(-2)/(-18) + (-2)/6. Suppose h + 4*w + 46 = 0, -115 - 47 = k*h + 5*w. Let a = 44 + h. Solve j = -2*j + u - 17, 2*u - a = -j for j.
-4
Suppose 0 = 4*p, 2*p = 4*y + 1 - 17. Solve -4*h + 8 = -2*q, -y*h - 4*q = -q - 8 for h.
2
Let p = -31 + 26. Let r be 2/((-2)/35*p). Suppose r*v - 25 = 2*v. Solve 2 = 3*q - c, 0*q - 2*c = -5*q + v for q.
-1
Suppose 0 = 3*b + g - 7, 3*b - 2*g = 3 + 10. Suppose -n - b + 36 = 2*c, -3 = 3*n. Solve 5*y - c = -i, -4*i - y + 2*y = 16 for i.
-3
Suppose -z - 9 = -2*l, z - 4*l + 20 = -15. Let r = 4 - 1. Solve r*c - 2 = -x + c, z = -5*x - c for x.
-4
Suppose 63 = 4*a - 4*s - 77, 5*s + 5 = 0. Suppose q + a*j - 30*j = -1, j - 8 = -3*q. Solve 0 = 5*x - q*f + 7*f + 5, -3*x = 5*f + 16 for x.
3
Let q be (-63)/(-12) - ((-10)/(-8) + -1). Suppose -w - 1 + 5 = 0. Solve -5 = -3*d - 2*o, 16 + w = -d - q*o for d.
5
Suppose 7*y + 476 = 14*y. Let x(b) = -b**3 + 4. Let s be x(-4). Let n = s - y. Solve n*u - 5 = -5*u, 9 = -5*v - u for v.
-2
Let s(a) = a**3 - 9*a**2 - 2*a - 14. Let d be s(11). Let g = d + -201. Solve -g*m = 3*b - 4 - 2, 3*m = 2*b - 4 for b.
2
Suppose 0 = -g - 4*r + 36, 5*g - 3*r + 5*r = 144. Let o be (1 + -5)*3/(-6). Let q be 99/21 + o/7. Solve q*l = -j - 0*j + 15, 2*l - 4*j - g = 0 for l.
4
Let p(q) = q**3 - q**2 - 3*q + 6. Let n be p(3). Suppose 18*l - n*l - 36 = 0. Let z be l/(-10)*(-30)/18. Solve 2*t + 3*o = 2*o - z, 2*o + 5 = -5*t for t.
-1
Let j be -1 + (-11)/(-2) + ((-17)/(-2))/(-17). Solve -2*m - 2*z = j, -3*m + 2*z = -16 - 3 for m.
3
Let g = 3 - 75. Let b = g + 75. Solve -5*j = -b*w - 20, 2*j + 4*w = -0*w + 8 for j.
4
Suppose 852 = 6*z + 6*z. Suppose 5*s + z - 86 = 0. Solve s*o = 4*q - 16, 0 = q - 2*q - o + 4 for q.
4
Suppose 26 = m + m. Let p = m - 9. Let g = 64861 - 64849. Solve 4*f + g = r, -2*r = -5*f - p*r - 28 for f.
-4
Let z(m) = -3*m**2 + 31*m - 7. Let i be z(10). Suppose 4*a + 102 = 5*d, -i*d + 6*d - 68 = -a. Solve 6*o - 3*o = -2*j - d, 0 = 4*j - 5*o for j.
-5
Let y = -834 - -838. Suppose -y*s = -0*s - 3*c - 21, c = 5*s - 18. Solve 2*h + 4 = s*u, -u + 2*u = h for u.
4
Suppose 0 = -5*n - 45 - 140. Let r = n - -39. Suppose x - t + 4 - 1 = 0, -5*x = -3*t + 5. Solve -r*q = q + j + 10, 5*q = x*j - 2 for q.
-2
Suppose 21 = 5*d + 2*j, 0 = -3*j + 11 - 2. Solve -3*p + 4 = 2*q, d*q + 4*p - 9 = p for q.
5
Let s be 2768/112 + (-2)/(-7). Let u = 32 - s. Let y(b) = b**3 - 6*b**2 - 6*b - 2. Let w be y(u). Solve -4*f + w = -o, 9 = -5*f - 2*o - 1 for f.
0
Suppose 9 + 16 = 5*l. Let b be 40831/4605 - (-2)/15. Solve -g - b + 0 = -4*y, -l*g + 4*y - 13 = 0 for g.
-1
Suppose -16 + 4 = -2*l. Suppose 5*b - l*b - 286 = 0. Let o be 2/(-3) + b/(-78). Solve -o*z = 4*g + 13, -3*z + g = -7*z for z.
1
Let s be ((-14)/(-8))/((-3)/12). Let p = 20 + s. Let c be p/3 + 2/(-6). Solve -16 = -c*l, r = -r - l for r.
-2
Let s be (-5*9/45)/1. Let n be ((-9)/(27/15))/s. Solve 6*r - 4*r = n*z + 21, -z = 3 for r.
3
Let j = -10 + -195. Let m be 4/(-10) - 5207/j. Let s(c) = c**2 - 3*c - 3. Let b be s(4). Solve -2 = g + i - b, -5*g + i + m = 0 for g.
4
Suppose -c + 0 - 2 = 0. Let b be 17/85 + (-120)/(-25). Let t = c + b. Solve -q + 3 = -f - 2*f, t*q = 4*f + 9 for f.
0
Let w(i) = -i**2 + 6*i - 4. Suppose 0 = -4*u + 7*u - 153. Let g = 53 - u. Let a be w(g). Solve 3*x - k + 3 + 11 = 0, 0 = 3*x - a*k + 20 for x.
-4
Let q be -17*(-2)/(-8) - (-6)/(-8). Let n be (-1 - 1)/(2/q). Solve 5*s - n*h - 13 = 32, s + h = 1 for s.
5
Suppose 21208 = 16*a + 28*a. Let y = -477 + a. Solve -4*l - 1 = i - 2, -3*l = -y*i + 5 for l.
0
Suppose -324 = -58*w + 31*w. Suppose w = -4*h + 28. Solve 6*n - 3*n - 3 = -h*u, -5*u = -n - 18 for n.
-3
Suppose 7*z - 50 = -2*w, 205*z = 201*z - 3*w + 36. Solve 5*t + 2*v = z*v - 26, -2*t - 5*v + 16 = 0 for t.
-2
Suppose 5 = -29173*x + 29174*x. Solve 14 - 4 = -3*f + i, 4*f + x*i - 12 = 0 for f.
-2
Suppose -r + 1971 = -4*d, -5*d = -3*r - 184 + 2639. Let p = -475 - d. Let f be (-1)/4 + 2/8. Solve -5*u - 2*v = -f*u + p, 5*u + 4*v + 13 = 0 for u.
-5
Let g(w) = 72*w + 29*w**2 - 57 - 2*w**3 + w**3 - 40*w. Let r be g(30). Solve -4*o - 16 = 5*z, 2 - 3 = z + r*o for z.
-4
Suppose 0 = -5*c + 2*b + 373 - 338, -5 = b. Solve -3*h - 186*t + 183*t = -12, -1 = -2*h + c*t for h.
3
Suppose -7*m - 80 = -3*m. Let k = m + 22. Suppose 9 = k*h + 1. Solve -2*w = h*l + 17 - 1, 5*l - 5*w + 35 = 0 for l.
-5
Suppose 450*g = 457*g - 924. Suppose -202 = -7*q - g. Solve -5*h - 11 = -31, -3*r + q = 4*h for r.
-2
Let a be (4 + (-42)/7)/((-14)/35). Solve -2*h = -2*w - 4 + 20, a*h + 2*w = -12 for h.
-4
Let c(m) = -m**2 + 69*m + 480. Let r be c(-6). Solve 36*p + 2 = -u + 34*p, 0 = -3*u + 3*p + r for u.
6
Let x(z) = -4*z**3 - 171*z**2 + 36*z - 296. Let k be x(-43). Solve 0 = k*p + 26*r - 30*r - 19, 5*r + 14 = 3*p for p.
3
Let i be (7*(-5)/10)/(3/(-24)). Suppose -g - j = -3, -g + 7*j - 3*j = -i. Let a(v) = -v + 1. Let b be a(-4). Solve 4*r = -b*p + 32, -5*r - 4*p - g = -39 for r.
3
Let f(y) = 2*y**2 + 55*y + 343. Let g be f(-19). Let u be 76/28 + (-4)/(-14). Solve 2*m = -u*j + 15, g = 4*j - 0*j for m.
0
Let k = -67 + 55. Let n(g) = -g**3 - 10*g**2 + 25*g + 14. Let s be n(k). Suppose -3*v = -5*v + 6. Solve 2*d = -s*y + 6, 5*y = d + v*y + 3 for d.
1
Suppose -5*i + 3 + 7 = 0. Let n = 0 + i. Suppose 2*j = 2*v - 26, 169*j - 41 = -4*v + 172*j. Solve d = -n*b + 3*d - 8, -v*d = 0 for b.
-4
Let p be (-30)/25*-2*25/(-30) - -6. Solve -p*g - 4 = -5*y, 2*y + 0*y + 12 = 5*g for y.
4
Suppose -2*b - 2 = -3*a - 5, 0 = b + 2*a - 5. Suppose 15 = 2*c + b*w - 4, 2*c + w = 13. Solve 0 = o - 5*o + 4*p, -4*o - c*p = -27 for o.
3
Suppose 0 = 4*j + 2020 - 152. Let b = j + 481. Solve 3 = -4*o + 5*v, -4*o - 5*v + 1 = b for o.
-2
Let k be (-6 - 1) + 0 + 0. Let t(b) be the first derivative of 2*b**3/3 + 11*b**2/2 - 16*b - 415. Let u be t(k). Solve u = 5*d + 5*i, 4 = -4*d - 5*i + 12 for d.
-3
Suppose 9*h - 2 + 2 = 0. Suppose -2*i = -h*i + j - 82, -i + 32 = 5*j. Let w = 46 - i. Solve -w*u + 30 = -2*k + 8, -3*u - 3*k = -12 for u.
5
Suppose 0 = 59*k - 126*k. Solve -b + 21 = -4*f, 2*b - 2*f - 5 - 7 = k for b.
1
Suppose 61*x - 23*x - 119 = 21*x. Solve -16 = -j + 3*u, -x + 39 = 3*j - 5*u for j.
4
Let n be 6*(-15 + 10 + (-33)/(-6)). Solve 4*y + 2 = 2*m, -45*m - 19 = -50*m + n*y for m.
5
Let g(t) = -173*t**3 - 25*t**2 - 11*t + 347*t**3 - 176*t**3 + 12. Let w be g(-12). Solve 0 = 6*q - q - 4*i + 9, w = 4*q - i + 5 for q.
-1
Suppose -68*l + 65*l = -4*d + 32, 2*d + 3*l - 16 = 0. Solve 0 = 4*h, o - 4*h + d = 3*o for o.
4
Let q be (-99)/(-110)*(13 - 3). Solve 4*v + 16 = -4*p, 5*v - q*p + 13*p + 14 = 0 for v.
2
Let g be 110/(110/(-11)) - -15. Solve 2*y + 1 = s, -g*s = -y - 0*s - 18 for y.
2
Let n be 24/(-72) + 1022/6 - -3. Suppose -8 = -n*c + 169*c. Solve 0 = -5*m - 0*j + j + 6, -3*m + c = -j for m.
2
Suppose 2560 = 7*w - 1374. Let m = w - 560. 