Let r(v) = v**2 - v + 3. Let f be r(3). Let w(o) = -o + 6. Let a be w(f). Let t be 2 + (a - -6) + -2. Solve t*i - 20 = -i for i.

Suppose -l - 66 - 3 = -4*s, -2*s + 4*l + 24 = 0. Let w = -11 + s. Solve -6 = -w*z + 4*z for z.

2

Suppose 11 = 3b - 10. Let n be 7/(-2)(-4)/b. Solve 0 = -n*f + 5*f for f.

0

Suppose 0 = w - j - 2 - 20, j + 5 = 0. Solve 3 = -5*x - w for x.

-4

Suppose 10 + 17 = 3*m. Let h be m/18 + ¹⁸⁄₄. Suppose 25 = h*s, 30 = 5*u - 3*s + 6*s. Solve 4*y - 5 = u for y.

2

Let s = 12 + -10. Solve s*a - 8 = -2 for a.

3

Let j(u) = u + 5. Let k be j(-5). Suppose -2*l - l + 60 = 0. Let d be (9/(-5))/((-4)/l). Solve k = 2*o + o - d for o.

3

Suppose 7*b = 4*i + 3*b - 8, 4 = -2*i - 2*b. Suppose 13*z - 10*z = 9. Let l be z - (-4 + 3 + i). Solve -c = -2*c + l for c.

4

Suppose 2*y - 6*y + 16 = 0. Let n be ((-2)/4)/(y/(-8)). Solve n + 7 = 4*x for x.

2

Suppose -n + 2 = x - 0, 0 = 2*x + 4. Solve r - 6 = n*r for r.

-2

Suppose 4 = m + 1. Let n be 0/2 + (5 - 3). Solve m*d = -n*d - 15 for d.

-3