Let v(x) = x**2 + 7*x - 13. Let h be v(-9). Solve h*a - 9 = -4 for a.

Let x be (0 + 0)*(-3)/(-6). Suppose 0 = 2*u - x*u. Solve u = -2*l - 0*l - 4 for l.

-2

Let v = -4 + 6. Suppose 0 = 3*w - 3*x, -v*x + 3 = -w - 0*x. Solve 6*b - 12 = w*b for b.

4

Suppose 0 = r + 2*r - 36. Suppose 3*p - 5*n = 40, -2*p + n - 5*n = -r. Solve 8*a = 3*a + p for a.

2

Let g = 11 + -11. Let o = g - 0. Suppose -3*y + y + 10 = o. Solve 4*h + y = -7 for h.

-3

Suppose 0 - 40 = -2f. Let q be -1((-20)/4 - -3). Solve -f = -q*i - 2*i for i.

5

Let y(w) = w**2 - 1. Let q be y(2). Suppose -2*z + q = -3. Let n be (2 - z - -2) + -1. Solve n = a + 2*a + 15 for a.

-5

Let i(z) be the third derivative of -z⁶⁄₁₂₀ + 3*z⁵⁄₂₀ - 7*z⁴⁄₂₄ - 5*z³⁄₆ + 3*z**2. Let x be i(8). Solve -x*l = 2*l - 10 for l.

2

Let i = -7 + 9. Let n be (i/4 - 1)*0. Solve -q + n*q = 3 for q.

-3

Let s = 22 + -20. Suppose -3*v + 21 = s*t, -3*v - 53 = -4*t + 2*v. Solve -t = 4*q + 8 for q.

-5

Let u be (-10)/(-4)*(-8)/(-20). Solve 2*j - j = -u for j.

-1