Let w = 21 + -13. Solve -3*r + 20 = -w*r for r.

Suppose -6*b + v = -b - 75, 2*b = 2v + 30. Let x be (-2)/(3/b-2). Solve 1 = -x*i + 16 for i.

3

Let f be ²⁄₅ + (-24)/(-15). Suppose -4*c + 2*v = -9*c, 4*c = f*v. Let j(g) = g**2 - 5*g - 1. Let t be j(6). Solve c = -t*a - 5 for a.

-1

Let o = 41 + -38. Solve -o*p + 17 = 5 for p.

4

Let l be ³⁶⁄₈ + (-3)/2. Solve -1 = -l*r - 7 for r.

-2

Let s(j) = -j3 + 10*j2. Let d be s(10). Solve d = f - 2 for f.

2

Let w(o) = -o**2 + 3*o + 4. Let l = 9 - 5. Let j be w(l). Solve 2*y = -j*y + 2 for y.

1

Let s be (-4 + 0 + 3)*-5. Solve -s*f + f = -16 for f.

4

Suppose 17 = 2*t - 3*t - 3*c, -3*c = 15. Let p be (-4 - t) + ¹⁵⁄₅. Solve -p = a - 2 for a.

1

Suppose 55 = 5*y + r, -4*r - 9 = 4*y - 37. Solve -y = -0*d - 3*d for d.

4

Suppose -3*i = -m - 14, 19 = 4*i - 2*m - 1. Let p = 8 - i. Suppose -p = -4*b - 2*h, -3*h - h = -8. Solve f + 0 - 1 = b for f.

1