Let i(u) = u - 6. Let w be i(0). Let y be 2/w - (-5)/15. Solve -a + y = -2 for a.

Let m(a) = -2*a - 1. Let f© = c. Let b(j) = 5*f(j) + 3*m(j). Let r be b(-3). Suppose 9*w = 12*w. Solve -o + 5 + r = w for o.

5

Let q be -1 + 1 + -1 + ²⁄₂. Solve q = 3*n - 0*n for n.

0

Let c = 21 - 15. Suppose c = -2*x + x. Let w = x + 10. Solve -d + 9 = -w*d for d.

-3

Suppose 0 = 3*c - 63 - 21. Let s be (-19)/(-4) + 7/c. Solve -12 = -s*m - 2 for m.

2

Let g be (-4 + (5 - 1))*-1. Solve -5*k + 2*k = g for k.

0

Suppose 53 = -3*n + 104. Solve n = 3*z + 5 for z.

4

Suppose -b + 3*s = 9, -s - 3*s = 4*b - 28. Solve 0 = 7*f - b*f for f.

0

Let r(f) be the first derivative of f³⁄₃ - f2 + 2. Let g be r(5). Suppose 2*u - 4*y - 4 = 12, -5*y + g = u. Solve 3*a - a = -u for a.

-5

Suppose 111 = o + 2*h - h, -5*o = -4*h - 591. Suppose 5*j - 105 = -4*x, j - 4*j + o = 5*x. Solve 0 = -t + 5*t - x for t.

5

Let g be ((-12)/18 - ¹⁄₃) + 1. Solve 4*n - n - 6 = g for n.

2