Let y be (-5)/(-10)*11 - (-1)/(-2). Solve -y = 4*c + 3 for c.

Let m = 220 + -208. Solve -4 = 2*o - m for o.

4

Suppose 20*u - 25*u = -20. Solve u*a - 2 = -6 for a.

-1

Let m = 50 - 22. Let l be ((-8)/6)/(⁵⁄₇₅). Let g = m + l. Solve -3*y - g = -y for y.

-4

Let i® be the second derivative of r⁴⁄₁₂ + r³⁄₂ + r**²⁄₂ + 3*r. Let y be i(-4). Suppose y = 2*d + 3. Solve 5*t - d = -16 for t.

-3

Let u(f) = -f**2 + 18*f - 8. Let j be u(14). Suppose 3*o - j + 18 = 0. Solve 2*r = -0*r + o for r.

5

Suppose -2*z = 4*p - 6, -3*p + 15 = 3. Let g(q) = -q2 - 4*q + 7. Let n be g(z). Let d(o) = o2 - 3*o - 6. Let k be d(5). Solve n*t + 2 + k = 0 for t.

-3

Suppose 4*w + 2*x + 58 = 0, 7*w - x = 6*w - 13. Let s be (-2)/4 + w/(-4). Solve 9 = -s*u - 0 for u.

-3

Suppose t = 4*t - 93. Let r = t + -15. Suppose -5*q + 91 = r. Solve -2*d + q = 3*d for d.

3

Let t be (-4)/6 - (34/(-6) + 5). Solve t = -4*i - 18 + 2 for i.

-4

Let p = 31 + -29. Solve 0 = -0*n - p*n - 2 for n.

-1