Let l = -15 + 21. Suppose -d = -8 + l. Solve -1 = d*u + 3 for u.

Let d be -5 - (-3)/(¹²⁄₄₀). Solve -5*s + 25 = d for s.

4

Suppose 3*g = 5*g - 26. Suppose 5*k - g = 117. Let a = k + -11. Solve -3*m = 6 - a for m.

3

Let x = -51 + 56. Solve -x*i + i = 0 for i.

0

Let d be ((-21)/(-6))/(¹⁄₂). Let b be 2/(-7) + 2/d. Let r = b - 0. Solve r = -0*w + w - 4 for w.

4

Suppose 6 = 2*q + 14. Let t = q - -4. Solve 4*m = -t*m for m.

0

Let f(n) = n + 13. Let t be (-6)/(-27) + 222/(-27). Let u be f(t). Solve 0 = -0*c - u*c for c.

0

Let i(x) = -2*x - 5. Let v be i(-5). Suppose -q - 1 = 0, -5*z - 4*q - v = -16. Solve -3*m - z - 9 = 0 for m.

-4

Let z be (-100)/(-15)*¹²⁄₁₀. Let d = 20 - z. Solve -d = -4*a - 0*a for a.

3

Let h be -8 - 1*(2 - 4). Let x© = -2*c - 10. Let w be x(h). Solve -w*s + 5 = -7*s for s.

-1

Let r(q) be the third derivative of -q⁴⁄₁₂ - 7*q³⁄₆ + q**2. Let y be (-6 + -4)/(5 - 3). Let x be r(y). Solve x*a = 2*a - 4 for a.

-4