Let o(q) = -q + 1. Let x be o(0). Solve x - 21 = 4*l for l.

-5

Let f(i) = i + 3. Let k be f(4). Solve 0 = -4*o + 1 + k for o.

2

Suppose -4*m + 4*s = -m - 32, -36 = -4*m + 4*s. Suppose -2 + 23 = z. Solve -m*k + z = 5 for k.

4

Suppose 0 = 4*o + 2*x - 2, -2*o - o - 4 = -4*x. Solve -3*w + w = o for w.

0

Let z be 0/(-5)*3/(-9). Solve 3*f + z*f = 0 for f.

0

Suppose 5*h = 154 - 149. Solve 0 = k + 4 + h for k.

-5

Let m be (-4 - 6)*2/(-4). Suppose 0 = 3*r - 4*u - m, 0*r + u - 4 = -r. Solve r*b - 12 = -0*b for b.

4

Suppose 2*m + n - 6*n - 33 = 0, -n + 15 = 5*m. Solve m*c = -c for c.

0

Suppose -i = 0, 2*x - 2*i - 4 = x. Let d = x - -6. Let p = d - 5. Solve -p*t = -t + 12 for t.

-3

Let l(p) = p3 + 5*p2 - 8*p - 7. Let h be l(-6). Let r(u) = -u3 + 2*u2 + 1. Let f be r(2). Solve h*g + 9 = -f for g.

-2