Suppose d - 2*v + 5 = -v, -25 = d - 5*v. Solve d*a - a + 1 = 0 for a.

Let k(a) = 4*a**2 - a. Suppose 3*o + 5*i + 22 = 0, 5*i + 11 = o + 3*i. Let j be k(o). Suppose -d + j = -1. Solve d*r - 2 = 14 for r.

4

Let o(p) = p**2 - 9*p - 5. Let z be o(10). Solve -z*d + 1 = -9 for d.

2

Let z be ⁸⁄₁₀*(-15)/(-6). Solve x = z*x - 3 for x.

3

Suppose -b = -3*p - 3, 0*b = b - p - 7. Suppose -3*g - b = -6*g. Let q be (-2 - -1) + g + 1. Solve -2*z - q*z - 20 = 0 for z.

-4

Let n be (-16)/(-3)*⁹⁄₆. Solve 2*j - 6*j = n for j.

-2

Suppose 0 = 5*q - 10 - 20. Solve -c = -q*c - 25 for c.

-5

Let y(j) = -2*j - 1. Suppose 3*g + 2*g - 15 = 0. Suppose 2*q + 12 = -o - 2, g*q + 7 = 2*o. Let c be y(o). Solve c*r - 3*r = 12 for r.

3

Let r = -4 - -7. Let a = -3 + r. Let k be a - 3 - -3*1. Solve k = f + f + 10 for f.

-5

Suppose -11 - 37 = -4*d. Solve -5*j = -j + d for j.

-3

Let a(o) = -o + 4. Let l be 2/(-5) + ⁶⁄₁₅. Let x be a(l). Suppose -x*m - i + 6 + 4 = 0, -5*m + 4*i + 23 = 0. Solve -4 + m = k for k.

-1