Suppose -1 + 13 = 2*d. Solve d*o + 0*o = -30 for o.

Suppose -4*y = -7*y + 6. Solve 4 - 6 = y*p for p.

-1

Suppose 0 = -35*r + 33*r. Solve -2*v - v + 9 = r for v.

3

Let z = 6 + -4. Solve z = -3*n + n for n.

-1

Let p(b) = -b**2 + 5*b + 10. Let x be p(6). Solve 0*l = l + x for l.

-4

Suppose 5*s = -2*c + 8, 4*s + 4*c - 8 = 8. Solve -3*i - 15 = -s*i for i.

-5

Suppose 2*c - 3*l = 4*c - 8, 9 = 5*c + 2*l. Solve -c = -u - 3 for u.

-2

Let r be 3 - (3 - 2) - -1. Let x(n) be the third derivative of n⁶⁄₁₂₀ - n⁵⁄₂₀ - n⁴⁄₁₂ + n³⁄₂ - n**2. Let v be x(4). Solve v = r*i + 2 for i.

3

Let x = 13 + -7. Solve -5*p + x = -3*p for p.

3

Let l(o) = -o**2 + 20*o + 25. Let d be l(21). Solve 0*s - 2*s + d = 0 for s.

2

Suppose -2*z = -4*s - 20, -2*z + s + 5 = -0*s. Solve z = a + 3 + 2 for a.

-5