Let c be 2/(-10) + (-104)/(-20). Solve -15 = -2*o + c*o for o.

Let l = -17 - -30. Solve 4*p - l + 1 = 0 for p.

3

Let j be (0 + -5)*(-4 - (-30)/25). Solve -j - 1 = 5*l for l.

-3

Suppose 5*l = 9*l - 60. Solve l + 1 = 4*v for v.

4

Suppose 5 = 5*z, 6*a = 2*a - 2*z + 14. Let v = -3 + a. Solve v = 2*b + 5 + 3 for b.

-4

Let r(h) be the second derivative of -h⁴⁄₁₂ - h3 + 2*h**2 + h. Let b be r(-6). Solve 0*v = b*v for v.

0

Let l = 12 + -10. Suppose -4*z + 3*c = -23, 0 = -0*z - z + 2*c + 7. Let g be ⁸⁄₁₀*z/l. Solve -3*t = g*t - 10 for t.

2

Suppose 3*b + 15 = 24. Solve b = -3*r - 9 for r.

-4

Let k be (-2)/2 - (8 + -3). Let h = k + 8. Suppose -3*r - h*w = -14, -5*r + 12 = 3*w - 11. Solve -l - l = -r for l.

2

Let v = -5 + 15. Suppose -b + 3*b - v = 0. Solve 16 = b*l + 1 for l.

3

Let h = 8 - 6. Suppose 2*p + h - 6 = -f, 0 = -4*p - 5*f + 8. Suppose 1 = 5*q - 4. Solve -p = -r - q for r.

1