Let h be (-1)/(9/(-2) + 4). Solve 0 = -h*y - y - 15 for y.

-5

Suppose 4 - 14 = 4*o + 5*i, 2*o = -3*i - 6. Solve -4*x + o*x = -16 for x.

4

Suppose -2*t = -3*t + 2*r + 9, 12 = t - 3*r. Solve -2*d = -9 + t for d.

3

Let z(t) = -t3 - 5*t2 - 7*t - 10. Let p be z(-4). Suppose 0 = -p*x - x. Solve 0 = -x*k - 2*k + 6 for k.

3

Suppose 39 = 2*h - 3*a, 5*a - 8 = -3*h + 22. Suppose -4*u + 16 = -2*o, -2*u + 4*o + 12 = 2*u. Suppose 0*x + h = u*x. Solve x*q + 0 = -3 for q.

-1

Let s(u) = 3*u - u**2 - 3*u. Let z be s(3). Let c = z + 18. Solve 0 = -c*v + 4*v for v.

0

Suppose -2 + 3 = -5*o + w, 4 = 4*w. Solve o = -4*c + 9 + 11 for c.

5

Suppose 7*z - 2*z + 5*a - 20 = 0, 2*z + 4*a - 16 = 0. Suppose 2*i - i + 20 = z. Let y be (i/(-2))/(-2 + 3). Solve -t - y = -5 for t.

-5

Let x(q) = 4*q + 50. Let z be x(-12). Solve -z*f - 14 + 20 = 0 for f.

3

Suppose -108 = -8*w - 19*w. Let s = 2 + -4. Let j be (3 + s + -1)/(-2). Solve j*q = -w*q for q.

0