15. Solve -g = -d + f, y*g = 2*g - 3 for d.
5
Let o be (28/8 - 4)*(17 + -23). Solve o*p + k - 12 = -0*k, 2*k = p + 3 for p.
3
Suppose 0 = -3*x + 3*y + 6, -x - 3*y - 6 = -5*x. Let l(p) = p**3 - 8*p**2 + 8*p - 5. Let b be l(7). Solve 5*o - b*n + 6*n - 20 = 0, x = -5*o - 3*n + 20 for o.
4
Suppose 1327*t - 1315*t - 60 = 0. Solve 2*m - c = -2*c - 6, 0 = t*m - 4*c + 15 for m.
-3
Suppose 0 = 3*h - 4*z - 9, 14*z - 10*z - 3 = -h. Solve -3*t = -m + 5, -2*t - 2*t - 24 = h*m for t.
-3
Let b(r) = -r**3 + 7*r**2 + 7*r + 11. Let s be b(8). Suppose -3*g = -s - 3. Suppose -a + 2*a = g. Solve a*d = 5*j - 17, -4*d - 19 = -4*j - j for j.
3
Let a = 36 + -34. Let k be 0/((a - -3)/(-5)). Solve 0*d + 3*d = -12, k = -4*m - 3*d - 12 for m.
0
Let x be (-64)/6*(0 - 3). Suppose 5*n - z - 23 = 0, 4*z - 24 = -16. Solve 3*s = n*k + x, k + 3 + 9 = 2*s for s.
4
Suppose 325*q = 318*q + 14. Solve c + 5*y + 29 = 0, 5*y - 8*y = q*c + 23 for c.
-4
Let l = -301 + 301. Solve -4*d + z = -6, -4*z - 8 = -l*z for d.
1
Let k be ((-12)/10)/(34/(-255)). Let g(f) = -f**3 + 8*f**2 + 8*f + 13. Let u be g(k). Solve 4*w = -u*y + y - 5, -y - 10 = 3*w for w.
-5
Suppose 12 = 5*j - 4*b, -45*j - 3*b = -50*j + 14. Solve -3*i - j*h - 11 = 0, -i - 9 = -3*h - h for i.
-5
Suppose -l = 5*r - 49, -2*r + 15 = 4*l - 1. Suppose -8 = -5*g - 4*v, -v = -g + v + r. Let c = 11 + -9. Solve 3*s = -c*z, 4*z - g*s + 20 + 0 = 0 for z.
-3
Let l = -217 + 219. Solve 10 = -5*m, -3*u = -2*u - l*m - 9 for u.
5
Let r be (-6 - 8/2)*(-4)/8. Solve 0 = 2*n - 3*v + 3, 0*v + r*v + 14 = -3*n for n.
-3
Let l be 6/((-150)/(-5)) + (-58)/(-10). Suppose -5*n + l = 1, 3*m = -3*n + 15. Let j be 3/15 + 1/(-5). Solve -m*t - 2*o = -j*o + 12, -2*t + 3*o + 10 = 0 for t.
-1
Suppose 0 = 2*r + 4*x - 16, 0 = 5*r - 5*x - 55 - 0. Solve 2*n = -r, -k - 9 = 2*n - 0*n for k.
1
Suppose 0*g - 270 = -6*g. Let i = g + -43. Solve i*h + 2*l + 8 = l, 5*l = -4*h - 10 for h.
-5
Suppose -35 = -4*f + 3*o, 0 = f - 5*o - 9 - 21. Solve -5*v = -3*m + 4 - 34, -f*v - 4*m - 5 = 0 for v.
3
Let m = -333 - -334. Solve 0 = -5*i + 2*a - 4, 0 = 2*i - 2*a + m + 3 for i.
0
Let c(d) be the third derivative of d**4/24 + 3*d**3/2 - 6*d**2. Let m be c(-14). Let v = m - -5. Solve 2*r + n = 0, v*r - 2*n + 2 = 2*r for r.
-1
Let i = -502 + 502. Suppose -2*h - 3 + 45 = 0. Solve i = k + 4*n + n + h, -n - 9 = -k for k.
4
Suppose 3*m = -10*n + 9*n + 15, 0 = -4*m + 20. Solve 2*u + p + 3 + 5 = n, -4*u - 3*p - 14 = 0 for u.
-5
Suppose 0 = 71*d - 30*d - 451. Solve -d = -4*q + u - 4, 2*q - 9 = -5*u for q.
2
Let z(m) = m**3 + 2*m**2 - m - 2. Let b be z(-2). Suppose b = -2*f + 7*f. Suppose f*y = -y. Solve y = -5*a + 5*s - 20, -4*a + 0*a + 24 = 4*s for a.
1
Suppose 625 = -j + 634. Solve 5*f + 23 = -4*c, 3*f - 5*c = -j*c - 17 for f.
-3
Suppose -4*r + 2 + 6 = 0. Suppose 5*o + 7*k - 75 = 2*k, 4*k = o - 30. Solve -3*p - 12 = -z, 5*p - 3*z = -o - r for p.
-4
Let h be (-1)/((-2)/10*1) + -5. Solve w + 4*i - 3*i = h, 0 = -2*w - 3*i - 2 for w.
2
Let d(t) = -t**3 + 5*t**2 + 38*t - 187. Let m be d(6). Solve 5*a = -m*g + 25, -3*g + a + 10 = 3*a for g.
0
Suppose 29*a = -44*a. Solve -h + 4*u = 3*h + 8, a = 4*h - u + 17 for h.
-5
Suppose -31 = -2*z - 5*o - 12, 4*z - 23 = -5*o. Solve z*w - 4*x = -6 - 6, -w = 2*x - 6 for w.
0
Let p(k) = -k**2 - 19*k - 74. Let d be p(-13). Solve d*b + 4 = -3*h, -5*b = 2*h + 10 + 2 for h.
4
Suppose -3*n = -0*o + 2*o - 49, o - 5*n = 5. Suppose 9*b = 5*b + o. Solve g + 2*h = -8, -h - b = g - 2 for g.
2
Let v(z) = -z**3 + 4*z**2 - 4*z + 2. Let b be v(2). Let g = 3 + -32. Let h = 34 + g. Solve 0 = -5*i + h*x - 40, 8 = 2*x + b for i.
-5
Suppose 13*s = 8*s. Suppose 4*m + s - 8 = 0. Suppose -m*w = 3*h - 13, 5*w - 29 = -h - 3*h. Solve 4*z - 41 = -w*l, 5*l - 2*l = 4*z - 1 for z.
4
Suppose 3*m - 21 = -q + 4*q, 2*m + 5*q = 35. Suppose 5*b = b + 180. Let s = -42 + b. Solve -4*c = c - s*r - m, 2*c - r = 4 for c.
2
Let z(o) = -o + 8 - 11 - 4. Let a be z(-9). Suppose y - 9 = -a*y. Solve 2*q + 4 = 3*p + p, -y*q + 5*p = 6 for q.
-2
Let v = 12 + -6. Let i(l) = 2*l**2 - 8*l - 3. Let r be i(v). Let j be 9/(-21) + 51/r. Solve 0 = j*f - 2*x + 2, 3*f - 2*x + 2 + 1 = 0 for f.
-1
Let a be (-2)/(-3) + (-85)/51. Let g be 3/(9/6) - a. Solve g*z = 2*h + 5*z + 2, z + 11 = 4*h for h.
2
Suppose 5*u + 3 = 4*u. Let m = 796 - 779. Let j be m/51 - 5/u. Solve 5*v = 5*x - 15, 5*v - 17 = -x - j*x for x.
4
Let f(l) = -3*l**2 - 31*l - 6. Let z be f(-10). Solve 5*w = -4*m + 11 - 2, 0 = z*m - 4 for w.
1
Let w be (-8)/(-8) - 4/2. Let x be (10/(-6))/(w/3). Solve -x*g - 6*d = -2*d, 5*g = 3*d + 35 for g.
4
Let t = 467 + -462. Solve 2*v = -3*g - 7, -g - 3*g + t*v = -29 for g.
1
Let o = -245 - -248. Solve o*r = g + 12, -5 = -5*r - g + 15 for r.
4
Suppose -2*x - 3*p = -26, 59*x - p = 61*x - 26. Solve 4*q - n = -q + 25, n = 2*q - x for q.
4
Let g(q) = q - 5. Let c be g(7). Let m = -5 - -9. Suppose m*h = h. Solve f + c*o = 2*f - 5, 5*f + o - 25 = h for f.
5
Let m be 9 + (1 - (1 - -4)). Suppose -m*a + 30 = -4*t, 5*t - 85 = -5*a - 10. Solve 2*u = 5*u + 2*b + 5, -5*u - a = 3*b for u.
-5
Suppose 0 = -5*x - 20, 3*l - 74 = 3*x - 4*x. Suppose -l*v = -21*v - 80. Solve -4*o + n - 2 = -5*o, 2*o + 5*n = v for o.
-2
Suppose 25 = 4*r - j + 4, 3*r + 3*j - 12 = 0. Solve 0 = 2*m - k - 9, -k = -r*k - 4 for m.
4
Let v(g) = 3*g - 3. Let l be v(6). Suppose -4*t - 330 = -9*t. Let j = 77 - t. Solve -5*m + l = -5*s, 5*s = m - 0*m - j for m.
1
Let h be (-160)/(-88) - 8/(-44). Solve 4 = -o + 3*o + 4*r, -h*o + 3*r = 17 for o.
-4
Suppose -5*q + 4 = -3*h, -7*q = -h - 5*q - 2. Let k be ((-3)/h)/(14/(-28)). Solve -k*s = -5*y + 9, -3*s + 8 = -5*s + 4*y for s.
2
Let f = 571 + -568. Solve -f*i = 4*o + 4, 5*o - 3*o + 4 = -i for o.
-4
Suppose 13*a = -a + 70. Suppose 4*m - 3*l - 8 = 0, -a*m = -4*l + l - 13. Solve -3 = 2*u - m*u, -5*q = -5*u for q.
1
Suppose 5*f + z + 9 = 0, -8 = 2*f - 4*z - 0. Let w be (-3 - (0 + -3))/(-2) - f. Solve 3*v = -w*t - 21, 0 = -5*t + 2*v - 3 - 2 for t.
-3
Suppose 3*h + 5 = 2*z, 0 = z - 4*h + 2*h - 3. Let i be 11/22*(z - -1). Solve -5*b - i = m - 4, -3 = -b + m for b.
1
Let g be (-4)/(-18) + ((-1164)/(-108) - 11). Solve -2*p - 5*a = -30, 5*a - 35 = -g*p - 3*p for p.
5
Let c(k) = -3*k**2 + 19*k + 14. Let n be c(7). Solve -3*q - 2*z = -10, 5*z - 7 - 18 = n for q.
0
Suppose 17*z = 35*z - 72. Solve x = -2*h + 3*x + 8, 5*x = z*h - 17 for h.
3
Suppose -5*i - 2*w + 2 = -17, 3*i + 2*w - 9 = 0. Solve i*v - 15 = y, 2*v + 1 = y + 7 for y.
0
Let u = -35 + 31. Let k(m) = -m + 8. Let q be k(u). Let v be (-3)/q - 52/(-16). Solve 4*d = -d, -v*x - 4*d = -3 for x.
1
Let c(r) = 5*r**2 - 216*r + 53. Let f be c(43). Solve 3*p - f = -3*t - 2*t, 0 = 3*p - 2*t + 25 for p.
-5
Let m(w) = w**2 - 4*w - 26. Let q be m(-4). Solve q = 2*s, -3 = 3*c - s + 2*s for c.
-2
Let k(q) be the third derivative of q**6/120 - q**5/10 + q**3/2 - 11*q**2. Let h be k(6). Solve -2*o = -0*m + m - h, 2*o + 12 = 2*m for m.
5
Let a = 14 - 11. Let k be (3 - 5) + 15/a. Solve k*f + 1 = -2*i, 5*i + 4*f = 2*f - 8 for i.
-2
Let f(g) = g**3 + 3*g**2 - 7*g + 25. Let u be f(-5). Solve r - 11 = 4*v, r - 3*r + u = -4*v for r.
-1
Let q be 12 - (0 - 8/(-2)). Let z be (0 - 2/3)/(q/(-24)). Solve -3*y - r - 4 = 0, -4*y - r - z = 3 for y.
-1
Let q be (4 - (2 + -2))*1. Suppose -q*p + 15 = p. Suppose 4*o + 4 = 4*a, 0*a = -5*o + p*a - 3. Solve 4*r + o - 3 = 5*z, 5*z - 5*r + 5 = 0 for z.
1
Suppose u - 55 = -2*u + 2*x, 0 = -3*x - 6. Let s be (u + 1)/((-12)/(-40)). Suppose -6*l - s = -9*l. Solve 0 = -2*a - 4*p + l, -25 = 2*a - p - 4*p for a.
0
Let t(d) = -2*d**2 - 28*d + 4. Let x be t(-14). Solve -3*k = -5*p - 0*p, -x*k = -5*p for p.
0
Let c = 18 - 16. Solve 5*a + 2*r + 30 = 0, a = -a - c*r - 18 for a.
-4
Let s = 1 + -7. Let p be (-2)/(-3) + (-86)/s. Let y = p + -10. Solve 0 = -t - 4*l - 6, y*t + 4*l = -l for t.
2
Let v = -96 - -94. Let p be 57*4/36 + v/(-3). Solve 5*z - 13 = -n, 0 = 5*z + 3*n - 4*n - p for z.
2
Suppose 426 = -5*o + 3*s - 4*s, 253 = -3*o + 2*s. Let y = 90 + o. Solve -3*j = -2*d + 7, j + 2*d - y = -2 for j.
-1
Suppose -5*p - 171 = -4*h, -2*p = -0*h - 4*h + 162. Let v = h - 28. Solve -3*a = 4*d - v, a - 2*d = 5 + 2 for a.
5
Suppose 696*c - 701*c = -20. Solve -12 = 4*a - c*p, -6*a - p - 9 = -a for a.
-2
Suppose 92*g - 90*g - 22 = 0. Suppose -4*h = n - 9, g = 3*h + 2*n + 3. Solve -16 = 5*k + 4, -h*p 