Let t = 20 - 16. Suppose 2*p - 4*w = 1 + 3, 5*p = -t*w + 52. Solve 0 = 3*f + p - 2 for f.

Let q(l) = -12*l - 15*l + 4*l2 - 5*l2 + 35*l. Let f be q(8). Solve -i = -f*i + 1 for i.

-1

Let d = -42 - -84. Let q be 3*(d/(-3) - 1). Let l = -25 - q. Solve -l = 3*f - 8 for f.

-4

Suppose 0 = 5*n - 8*n - k + 24, -4*n + 2*k + 22 = 0. Solve -n*y + 8*y - 1 = 0 for y.

1

Suppose -12*g = -20 - 40. Solve z + g = 8 for z.

3

Suppose -2*r + 3*u = 7, 2*r - u + 5 = 4*u. Let t = r + 0. Let m be (16/t)/(6/(-15)). Solve -3*k = -5*k - m for k.

-4

Suppose -4 = 4*b - 112. Let c = 31 - 20. Suppose -d - c = -b. Solve -1 = -3*j - d for j.

-5

Let w be 15/(-3) + 5 + 3. Solve -4*d + w = -5*d for d.

-3

Let d(m) be the first derivative of m**²⁄₂ - 2*m + 1. Let q be d(4). Let l = 5 - q. Solve l*u = u for u.

0

Let o be (0 - -4) + (2 - 2). Let x® = -r3 - 12*r2 + 10*r - 19. Let q be x(-13). Solve -i - q = o*i for i.

-4

Let z® = -r**2 + 7*r + 5. Let v be z(7). Solve -v*h + h = 8 for h.

-2