Let u(n) = n**2 + 4*n - 48. Let f be u(-10). Solve 0 = 5*x - 13 - f for x.

Suppose 7*l = 5*l - 30. Let c = -6 - l. Solve -c*o - 25 = -4*o for o.

-5

Let x be (-1)/(-5) + 2/(-10). Suppose -3*i = 5*y - 20, x = -y + 1 + 3. Solve i = -7*h + 2*h + 20 for h.

4

Suppose -3*l = -7*l + 36. Suppose 0 = 2*q - 4. Suppose q*b + 4 = 2*r, 0 = -4*b + 4*r - l*r + 10. Solve b = -s - 0*s for s.

0

Let n be (-10)/25 - 22/(-5). Solve o - n*o = 6 for o.

-2

Let y be (-1 - 0)/((-2)/4). Let d be 0*(y/(-4))/1. Solve -2*u + 6*u + 4 = d for u.

-1

Let z(w) = w**3 - 15*w + 6. Let a be z(4). Solve -3*o + 2 = -a for o.

4

Suppose -r + 3*l + 19 = 2, 19 = 3*r - l. Solve 3*f - r*f - 4 = 0 for f.

-2

Suppose j + 6 = 2*j + 3*c, -5c + 10 = -j. Let z be ¹⁄₁(-13 - 0). Let w = z + 28. Solve 5*n = -j*n - w for n.

-3

Suppose 2*k + 4 = 2*u, 3*u = -3*k - 0*k - 6. Solve u = o + o + 8 for o.

-4

Let m be (-9)/3 - (-45)/3. Let k© = -6*c3 - 6 + m*c2 + c3 + 4*c3 - 9*c. Let j be k(11). Solve 0 = 5*n - n + j for n.

-4