Let q(x) = x**2 - 6*x + 9. Let c be q(5). Solve 9 = c*a + 21 for a.

Suppose 6*h - h = 25. Suppose 4*s + 4 = -4*z - 0*z, 0 = -4*z - 5*s - 6. Solve -z = -h*c + 4 for c.

1

Suppose t + 21 - 69 = 0. Suppose -5*f = 5*y - 10, t = 3*y + y - 4*f. Let h = 6 + -2. Solve -h*s = -y*s + 6 for s.

2

Let u = 11 + -7. Solve y + u = 1 for y.

-3

Let y be ¹⁄₂ - ⁵⁄₁₀. Let t(f) = f + y*f - 6 + 15. Let x be t(-7). Solve -3*u + x*u = -1 for u.

1

Suppose b = -9*v + 4*v, 0 = 2*b - v. Solve 0*c - 3*c = b for c.

0

Suppose 2*j + 2*j - 8 = 0. Suppose j*v = -5*k + 1, v + 3*k - 7 = 7*k. Suppose 2*h - 25 = -v*h. Solve 13 = -4*c + h for c.

-2

Suppose 4*r + 4*x = 0, 0 = -2*r + 4*x + 6 - 0. Solve 3*w - r = -10 for w.

-3

Let q be ³³⁄₇ + ¹⁰⁄₃₅. Solve 8 = q*o - 2 for o.

2

Let w(u) = u3 + 6*u2 - 6*u - 27. Let v be w(-6). Solve -8*o + 5 = -v*o for o.

-5

Suppose -p + 3*p + 134 = 0. Let j = p - -100. Let x be 126/j - (-4)/22. Solve -h = -x*h + 9 for h.

3