Let y = -1 + 4. Suppose -r - 7 = -2*f, 0 = 4*r + y*f - 5*f - 2. Let u be 34/4 + (-3)/6. Solve -x - r*x = u for x.

Let l(t) = t**2 - t - 6. Let p be l(4). Solve -y - 4 = -p for y.

2

Suppose 4*y = 5 + 15. Solve 3*a + y = -2*a for a.

-1

Suppose 6*n = n + 40. Solve 3*f - 15 = n*f for f.

-3

Let o(b) be the third derivative of -b⁶⁄₁₂₀ + b⁵⁄₅ + 7*b⁴⁄₁₂ - 7*b³⁄₆ - 4*b**2. Let t be o(13). Solve -n + t*n - 10 = 0 for n.

2

Let k = -51 - -72. Suppose s + a - 11 = -s, 0 = -2*s - 3*a + k. Suppose s*d = 7*d - 12. Solve 0*q - d = q for q.

-3

Let y = 25 - 10. Let d = 21 - y. Solve 0*u - d = 2*u for u.

-3

Let x(q) = -q**2 - 8*q - 1. Let n be x(-8). Let c be (-5 + 0 - -2)*n. Let m be ²⁴⁹⁄₅₁ + ⁴⁄₃₄. Solve -c*u - 8 = -m*u for u.

4

Let t(m) = -m**2 - 8*m + 3. Suppose 5*l - 3l = -12. Let b be t(l). Let k be -15(0 - b/9). Solve -8*j + k = -3*j for j.

5

Let p be 5/(-1)*(-3 + 0). Suppose p = 4*x - x. Solve -2*b + x = -b for b.

5

Let q(t) = t3 + 11*t2 - 16*t - 28. Let s be q(-12). Solve 5 = -3*o + s for o.

5