Let u = -45 - -49. Solve u = -2*x + x for x.

Let b = -1 - -1. Suppose j + b*j = 20. Let t = 29 - j. Solve z = 4*z + t for z.

-3

Let x = 31 - 25. Solve -5*k + 4 = -x for k.

2

Let l(j) = -2*j + 10. Let y be l(5). Suppose -4*q + 16 = 4*h, -3*q + 5*h + y*h - 4 = 0. Solve -3*t - q = 10 for t.

-4

Let l(k) = k**2 - 6*k - 3. Suppose w - 35 = -4*w. Let x be l(w). Solve 0 = -x*s + 6*s - 4 for s.

2

Suppose 15 = -2*b + 1. Let j(k) be the second derivative of -k⁵⁄₂₀ - 2*k⁴⁄₃ - 7*k³⁄₆ + 2*k2 + 2*k. Let g be j(b). Solve -3*w = -w + g for w.

-2

Suppose -29*r + 12 = -25*r. Solve 0 = o + r - 2 for o.

-1

Suppose -5*t + q + 15 = 0, -2*t - 5*q + 54 = 21. Suppose t*p = 12, 3*d - 4*d - 10 = -4*p. Suppose 4*g - 68 = 2*v, -g - 3*g = v - 56. Solve -c - d*c = g for c.

-5

Suppose 0 = -x + 4*x - 18. Suppose v = -3*o + 4, -x*o - v + 4 = -o. Solve 0*p - p = o for p.

0

Let s be (1 - -4) + (-1 - -1). Suppose s*d + 2*y - 2 = 0, 4*d - 3*y - 16 = 4. Solve 4*t - 3*t = d for t.

2

Let a(z) = z3 + 12*z2 - 14*z - 13. Let j be a(-13). Suppose -4*y + j*y = 0. Solve y = -p - p for p.

0