Let l(u) be the second derivative of u412 + u32 - 7*u**22 + 3*u. Let s be l(-5). Suppose -s*w = -6*w + 15. Solve w*z + 3 + 2 = 0 for z.

-1

Let i = -15 + 43. Let c = -9 + i. Suppose -2*q = k + 3*q - 15, -3*k - 2*q + c = 0. Solve x = k*x - 20 for x.

5

Suppose 5*v = 20 + 5. Suppose -3*s = -0*f - 2*f + 10, 3*f + 3*s = 0. Solve v - 15 = f*j for j.

-5

Suppose -5 + 3 = -2*p, -q + 2*p - 4 = 0. Let g be 125 + q/5. Suppose -11 + g = -3*c. Solve 0*h - c*h = 12 for h.

-4

Let w be (-2)/(-7) + 321/(-21). Let g = -14 - w. Solve -3*u - g = -13 for u.

4

Let u be (6/(-8))/((-12)/(-240)). Let q = -13 - u. Let f be 4 + (-1 + 1 - 2). Solve f + 0 = q*h for h.

1

Suppose 6 + 11 = 5*y - 3*u, 4*u + 15 = -y. Suppose 0 = -2*w + 7*w. Suppose w = -5*n + n. Solve 3*b + y - 4 = n for b.

1

Let d = 5 + -3. Suppose 5*p = 8 + d. Suppose -2*l + p*q + 5 - 1 = 0, 5*q = 4*l - 10. Solve -5*j - 15 = -l*j for j.

-3

Suppose 0 = -5*p - 6 - 9. Let c(b) = b + 1. Let a(n) = -2*n - 2. Let u(o) = 2*a(o) + 2*c(o). Let w be u(p). Solve -x - 9 = -w for x.

-5

Let k be 3/(-9) + (-48)/(-9). Let c® = 2*r**2 - 2*r - 2. Let q be c(2). Suppose q = k*z - 2*u - 5, -5*u + 17 = -z. Solve -z*s - 15 = 2*s for s.

-3