- 20. Let y be 20*z/18*15. Let j be ((-1)/1)/((-2)/y). Solve -5*i = 0, -5*s = -i + 4*i - j for s.
5
Suppose -3*b - 2*r = -28, -7*r + 2*r - 45 = -4*b. Suppose 16*z - 10 = -10. Let t(g) = 4*g + 5. Let s be t(z). Solve 5*c = -b, s*p + 2*c + 10 = -9 for p.
-3
Let d(r) = r**2 - 34*r - 2411. Let y be d(-35). Solve 4*t + 36 = -y*a, -3*t - 14*a + 9*a - 35 = 0 for t.
-5
Suppose 5*f - 3*z - 172 = 0, 2*f + 13 - 81 = 2*z. Solve f*y - 38*y = -4*r + 13, -3*y = 5*r - 23 for r.
4
Let q = 1212 + -1207. Solve -1 = q*n + 3*g, 0 = -4*n - 2*g - 4 + 2 for n.
-2
Let w = 69 + -22. Suppose w*j = 46*j + 11. Suppose -11*s = -0 - j. Solve t = 3*p + 6, -p + 3*t = 3 - s for p.
-2
Suppose 88 = -4*d + 108. Let v(n) = n**2 - n + 3. Let l be 6/(1 - (-1 - 0)). Let i be v(l). Solve 3*r - d*x = r + i, -3*r = x + 12 for r.
-3
Let j(x) = 6*x + 98. Let l be j(-16). Let f be (2*1)/((28/161)/l). Solve a = -5*z + 15 + 6, -f = -3*a - 5*z for a.
1
Suppose 0 = -6*c - 19 + 31. Suppose -5*i = 2*r - 15, 4*i + 7 = -r + 22. Suppose 4*l = -1 + i. Solve -s - 5*z - 23 = -c*s, -2*s + z = -l for s.
-2
Let c = -3902 - -3905. Solve c*p = 5*p - 4*n - 2, -2*n = 6 for p.
-5
Suppose -15 = -3*g - 2*g. Suppose -d + 14 = g*f, 3*d - 18 = -f - 0. Solve 4*m + w + 19 = -m, f*m - 3*w - 3 = 0 for m.
-3
Let u(i) be the first derivative of i**2/2 + 5*i + 14. Let h be u(-5). Suppose c = 5 - h. Solve -c*l - 5 = 0, 3*l + 2*l = 2*q - 9 for q.
2
Let m(b) = -363*b - 2902. Let o be m(-8). Solve -12 = 8*x - 7*x + 3*s, 7 = -x - o*s for x.
3
Let z(k) = -2*k - 2. Let x be z(-4). Suppose 0 = -41*a - 294*a + 839 - 169. Solve 3*d + d - 13 = 3*b, a*d = 2*b + x for d.
4
Let o(x) = -56*x + 1739. Let w be o(31). Solve -4 + 1 = -2*f + 3*t, 9 = -w*t for f.
-3
Let j(g) = 2*g**3 + 48*g**2 + 87*g - 20. Let a be j(-22). Solve 0 = 2*s + 4*d + 20, -68 = -a*s + 2*d - 58 for s.
0
Let y(f) = f**2 - 1885*f - 3771. Let p be y(-2). Solve 17*s - 13*s + 40 = -4*w, 0 = p*s - 2*w + 5 for s.
-5
Let c = 8141 + -8138. Solve 3*p = -4*h + 8*h, c*p + 3*h = -21 for p.
-4
Let v(k) = k**3 + 14*k**2 - 11*k + 54. Let f be v(-15). Let b be (21/f - -2)/(9/(-12)). Solve -2*z - 5*m + 12 = -9, b*z = 5*m - 29 for z.
-2
Let c be (-4)/6*((-17 - -17) + 75/(-10)). Solve 2*x + 26 = -c*p, -2*x + 3 = -3*p + x for p.
-4
Let w(k) = k**2 - 18*k + 25. Let b be w(16). Let i be 49/(-7) + 4 - b. Solve 0 = -2*n - h - 12 + i, -3*h = 12 for n.
-2
Let y be ((135/(-2))/3)/((-210)/168). Solve -4*u - 22 = 5*g, -y*g - 2*u = -20*g + 2 for g.
-2
Suppose 34*u = 28*u - 2556. Let i = 430 + u. Solve 0 = 4*b - 4*p - 8, 5*p = -i*b - b - 10 for b.
0
Let i(o) = -779*o + 2342. Let f be i(3). Solve 0 = -197*a + 195*a + 2*n + 16, -4*n - 36 = -f*a for a.
4
Suppose 3*c - 53*s = -57*s + 331, 108 = c - s. Solve 0 = -2*f - 3*r + 10, -2*f - 114*r + 14 = -c*r for f.
2
Let k(m) = 6*m + 79. Let r(l) = -7*l - 118. Let x(z) = 7*k(z) + 5*r(z). Let u be x(8). Solve v + 3*a = 1, 4*v + 3*a + u = -v for v.
-5
Let i(f) = 3*f + 93. Let w be i(-6). Let a = w + -72. Solve -j = a*k - 10, -4*k + 7*k - 16 = 2*j for k.
4
Let b be 2/3 + (-65)/(-325)*40/6. Solve -20*w - 15 = b*k - 17*w, -5*k - 10 = 2*w for k.
0
Let d(l) = l**3 - 56*l**2 + 156*l + 13. Let v be d(3). Solve -2*u = q - 15, 0 = -v*u + 5*q - 8*q + 35 for u.
5
Suppose -2 = 2*s + 2*l, -l = 4*s - 8 - 3. Let p = 37 - 41. Let k be (p/(-1))/(-1) + 4. Solve k*q - q = -o + 3, -q + s*o = 0 for q.
-4
Let i be 1/13 - (-114)/39. Solve -i*d - 8 = -x - 3*x, -4*d = x + 17 for d.
-4
Let j be 968/(-33)*6/(-4). Suppose -j = -15*s + 4*s. Suppose s*r - r - 9 = 0. Solve 3*q = -3*w + 24, 0 + 11 = -r*w + 4*q for w.
3
Let p = 2230 + -2231. Let r(g) = -3*g**3 - g - g**3 - g**2 + 1 - 9*g**3. Let i be r(p). Solve 4*v - v - 17 = -2*s, -5*s + i = -2*v for v.
3
Suppose l = 4*f + 299, -2*f + 0*l - 2*l - 142 = 0. Let u = -60 - f. Let o be 5 - (u/21 - (-2)/(-3)). Solve 0 = -2*n + o*y - 29, -5*y = -3*n + 6*n - 19 for n.
-2
Let a be (-34)/(-3) - (-10)/6. Solve -26 = 6*v - v + 2*c, -v - 3*c = a for v.
-4
Let y = 302 + -193. Suppose y*w - 111*w + 14 = 0. Suppose 0*j + 3*g = j - 4, 0 = 3*g. Solve -5*t + 11 = -4*m - w, 4 = j*t + 2*m for t.
2
Suppose 7 = -2*f + 7. Suppose f = -5*q + 4 + 56. Let s(o) = o**2 - 12*o. Let b be s(q). Solve -4*y + x - 6 + 25 = b, 0 = 3*y + 4*x - 19 for y.
5
Suppose -12*p = -16*p + 16. Suppose 65 = 27*g - 14*g. Solve 4*f - 4*x = -g*x + 6, 0 = 5*f + 3*x - p for f.
2
Let t(o) = o**3 + 5*o**2 + o + 7. Let c be t(-5). Suppose 31 = 5939*v - 5936*v + 4*r, 0 = -5*v + r + 21. Solve -3*x = v*l - 9, 2*x - c*l - 9 = -x for x.
3
Suppose 0 = b - 91 + 181 - 98. Solve 3*a + 1 = u, -11*u = 4*a - 3 - b for u.
1
Let x = -21 + 23. Suppose -n + 4*f = -0*n - 1, -2*n - 5*f = 11. Let u be (-1 + 4)/(x*n/(-10)). Solve u*d = -4*l + 9, -7*l + 2*l = d + 15 for l.
-4
Let c(h) = h**2 + 5*h + 9. Let z be c(-4). Let m(o) = -o - 15. Let u be m(-17). Let f = z - u. Solve 4*b = f*p + 2, -p + 6 = -0*b + 2*b for b.
2
Let s be 4*2 - (-10 - -12). Let f be s + 4 + -2 + -2. Suppose 2*v + f = 0, 0*h - h - 3*v = 6. Solve 2*g - z + 11 = 0, -h*g - 16 = -0*g - z for g.
-5
Let r(m) = 6*m - 39. Let w be r(8). Let p be 4/3*4/6*w. Solve y - j + 5*j = -p, -5*y + 35 = -5*j for y.
4
Let x = -1 + 3. Suppose 0*i - x*i + 34 = 0. Suppose -3066 + 1562 + 1560 = 14*y. Solve -y*r - 5*w - 16 = 0, i = -5*r + 3*w - 3 for r.
-4
Let r be 4/14 + (-6 - 271/(-7)). Let b be (39/r + 6/(-33))/1. Let p be -1 - b/3*-3. Solve -3*q + 0*s - 3*s - 30 = p, 0 = -5*s - 25 for q.
-5
Suppose -5*o + 10*o = 65. Let l be -7 + o - (5 + -1). Let a(b) = b**2 - 17*b + 45. Let t be a(14). Solve 0 = 3*c + 2*q + 4 + 6, 2*c - l = t*q for c.
-2
Let a(u) = -u**2 + 12*u + 49. Let q be a(15). Let v(c) = -5*c + 28. Let p be v(q). Solve 0 = -5*k - 2*i - 2, 0 = 3*k - p*k - i - 6 for k.
-2
Suppose -149*k + 6 = -151*k, 0 = -5*l + 3*k + 34. Solve -9*r - 6 = l*u, -3*u - 2*r - 4 = 3*r for u.
-3
Let n(w) = -w**2 - 26*w + 92. Let k be n(-29). Solve 4*j + 2*i = 4, -4*i = 2*j - k - 3 for j.
0
Let j be ((4/16)/1)/(3/72). Solve 3*i - s - 3 + 2 = 0, 0 = -2*i + 2*s - j for i.
2
Let z = -2 - -5. Suppose z*w = 4*a - a + 24, 19 = -2*w - 5*a. Let f = 1604862 - 1604843. Solve 2*t + 5*j = -f, w*t + 5*j = -1 - 15 for t.
3
Suppose -5*z + 15 = 3*x, -z + 55*x = 59*x - 3. Solve -p + 5*w = -5*p, 4*p + z*w = 0 for p.
0
Suppose 4*u + 14 + 140 = 5*r, 5*r - u - 181 = 0. Solve -29*c = 2*q - 32*c - 10, 0 = -2*q - 5*c - r for q.
-4
Suppose 2*n = 5*u + 86 + 21, 222 = 4*n - 2*u. Let y be 14/n - (-10)/(-8) - -5. Solve 3*a - 8*m = -y*m + 27, 4*a - 8 = -4*m for a.
5
Let b = 2122 - 2110. Solve 0 = 4*p - m + 16, 2*p + b = -p - 2*m for p.
-4
Let n = -8 - 0. Let v(p) = 2*p + 18. Let i be v(n). Suppose 2*f = 2*d + 10, d + 5 = -i*f + 4*f. Solve x - 2 = g, f = x - 3*x + 3*g + 9 for x.
-3
Let l = -5 + 5. Let z = 475 - 322. Let k = -151 + z. Solve k*r + 5*g = -2, 0 = -3*g - l*g - 6 for r.
4
Suppose 0 = 2*d - 31 - 3. Suppose -21*q = -d*q - 16. Suppose 2*x = -5*y + 6, q*x + 4*y + 42 = 6*x. Solve 3*h = -5*p + x, 0 = -2*h - 3*h + p + 3 for h.
1
Let w = -143 - -498. Let a = w - 352. Solve a*k - 7 = -5*c, 0 = -c + 5*c - 3*k + 16 for c.
-1
Let b(c) = -c**2 + 7*c - 5. Let n be b(5). Let d be 15 - 16/2 - 7. Solve d*r + 1 = y + 2*r, 0 = -4*y + n*r + 17 for y.
3
Suppose 2*h - 6*b = -11*b - 1, -b = -h + 10. Solve 16 = -5*s + s - h*o, s + 13 = -4*o for s.
3
Let p(m) = -40*m - 170. Let u be p(-5). Let q be u/(-45)*(3 + -2)*-3. Solve 5*r = 5*f + 5, q*f - 2*r + 17 = -3*f for f.
-5
Let y be ((-3)/9)/(1/12). Let m be (-1 - -1) + -3 + 11 + y. Let b be (-4)/(-1 + m/(-12)). Solve -3*u - 9 = q, q + 12 = -b*q - 4*u for q.
0
Suppose -30 = 25*j - 105. Solve -j*m + 5 = -7, -4*x - 28 = -4*m for x.
-3
Suppose -111*w + 114*w = -5*j + 19, -5*w + 5 = -5*j. Let d(q) = q + 9. Let k be d(-6). Solve 0 = w*t + 3*f - k, -2*t + 5 = 3*t - 2*f for t.
1
Let g = -5674 - -5676. Solve 5*f - 32 = 3*v, 5 = -4*v + g*f - 19 for v.
-4
Suppose 13*r - 1604 - 840 = 0. Let z = -177 + r. Solve 4*g - 2*i = -11 - z, 3*i = -5*g for g.
-3
Let t be (-3)/(-9)*(-83 - -104). Solve 9 = 5*v - 3*c, 3*c - t*c - 12 = 4*v for v.
0
Suppose -4*h = 4*k - 20, 3*h - 2*k - 13 = -3*k. Suppose 5*p + b = 33 - 8, 3*p + h*b = 15. Solve -p*d + j - 1 = 1, 5*d = 3*j + 4 for d.
-1
Let a be 6/7 + 986/(-203) + 6. Solve 4*k - 5*k = a*z + 9, 4*z = -5*k - 21 for k.
-1
Let a be 29 + (-1 - -4) + 2 + -7. Le