Let o be (-15)/(-6) - (-2)/(-4). Let d = 20 - 11. Let k be (-12)/d*-1*6. Solve o*t - 6*t = -k for t.

Suppose -3 = -5*i + 7. Suppose -4*r + 5 = 3*s, i*r = -5*s - 2 + 1. Solve 0 = -r*j - 3*j + 15 for j.

3

Let n(g) = -g**2 - 17*g - 54. Let k be n(-12). Solve -2*a - a = k for a.

-2

Let u = -11 - -18. Suppose -5*o - 19 = 3*i - 49, 5*o = 2*i + 5. Solve o*r = u*r for r.

0

Let h = 14 - 18. Let s be (-1)/h + (-175)/(-20). Solve -2*y = y - s for y.

3

Suppose 4 = -2*j - 0. Let h be 1 + 1/(-1 - j). Let d = h - 2. Solve 3*a + d*a + 12 = 0 for a.

-4

Suppose 4*y - 10 = 5*q, -4*y - 3 = 2*q + 1. Suppose f = -y + 4. Solve x = -f*x + 10 for x.

2

Let j(l) be the first derivative of l⁴⁄₄ + 7*l³⁄₃ + 3*l**2 + 3*l - 3. Let a be j(-6). Solve -a*k = -8*k for k.

0

Suppose -22*k + 27*k = -4*c - 5, 0 = 3*c + 3*k. Let z = -2 - -2. Solve -c*r + 15 + 5 = z for r.

4

Suppose 4*j = -4*i + j + 6, -4*i = -2*j - 16. Solve 6*o - 15 = i*o for o.

5

Let q = -70 - -70. Solve 5*c - 6 + 26 = q for c.

-4