Suppose -4*r + 45 = x, -3*r + x = -x - 20. Let s = r - 0. Solve -7*a + 2*a = s for a.

Let q be (0 + 2)/(-2) - 1. Let r be 1 + (q + 1 - -8). Solve r - 2 = 3*a for a.

2

Suppose -2*h = 2*h - 100. Solve 6*l = 11*l - h for l.

5

Suppose 0 = -5*t + 4*r - 0*r + 52, 0 = -4*t - r + 29. Suppose 3*m = -g - 20, 0 = -5*g - 2m - t - 27. Let k be 0/g(-1)/1. Solve -2*n - 6 + 0 = k for n.

-3

Suppose 3*v = -3*u - 6, -5*v + 12 = 2*u + 31. Let p be (¹²⁄₂)/u + -2. Solve p = -s - 4*s for s.

0

Suppose b = -b + 12. Suppose -3*w + 3 + b = 0. Solve -w*t = t - 12 for t.

3

Suppose -5*i - 138 = -2*j, -4*j + i + 264 = -3*i. Let x = j - 44. Solve -q = 3*q - x for q.

5

Let r(k) be the third derivative of -k⁵⁄₆₀ - k⁴⁄₆ + 4*k³⁄₃ - 10*k2. Let o be r(-5). Solve o*n - 1 = 2*n for n.

1

Suppose -5*l + f + 18 = 4*f, 0 = 2*l - 4*f - 2. Solve 2*m - 5 - l = 0 for m.

4

Let v(k) = 7*k - 1. Let w be v(1). Suppose -f = -wf + 10. Let r be (f + -1 - 3)-1. Solve -1 = -r*i + i for i.

1

Suppose 0 = 5*c + 3*w - 3, 0 = -3*w - 12. Solve -y + c = -1 for y.

4