Let s = -19 + 31. Suppose -3*i + 66 = -6. Let c = i - s. Solve 0 = u + 2*u - c for u.

4

Let i = -1 + 1. Suppose 15 = 5*l - i*l. Solve -k = l*k - 16 for k.

4

Let b(u) = 9*u + 1. Let g be b(2). Suppose -x + 0*x - 4*y = g, -4*x + y - 161 = 0. Let p be x/(-12) - 2⁄8. Solve 6 = -j + p*j for j.

3

Let m = 3 - 11. Suppose -z + 24 = 2*z. Let s = z + m. Solve 0 = o - s*o + 3 for o.

-3

Suppose 30 = 3*g - 4*s, -4*s + 0*s - 42 = -5*g. Suppose -i - g = -4*i. Suppose -4*o + 53 = 3*q, i*q - 3*o - 29 = -5. Solve 0 = l + 4*l + q for l.

-3

Let c(l) be the first derivative of -l3⁄3 + 3*l2 - 5*l - 3. Let b be c(4). Solve 0*s + 12 = b*s for s.

4

Suppose -4*d - 2 = -3*n + 4, 2*n + d - 15 = 0. Solve -9*h + n*h - 9 = 0 for h.

-3

Let p = -17 - -26. Let u be (-2)/(-6) - (-33)/p. Solve o = -u*o for o.

0

Suppose 3 = s - 5. Suppose -5*v - 7 = -4*t - 2, -5*t = -5*v - 5. Solve -l - l + s = t for l.

4

Suppose 0 = 3*v + 1 - 4. Let h = 3 - v. Solve 0 = -h*w + 3*w for w.

0