Let i© = -c3 - 21*c2 - c - 21. Let f be i(-21). Solve f = -3*r - 6 + 21 for r.

5

Let j(n) = n**2 - 12*n + 2. Suppose m = -5*o + 64, 45 + 3 = 5*o - 3*m. Let f be j(o). Suppose 2*s = -5*d - s, 1 = f*d + s. Solve -2*i + 25 = d*i for i.

5

Let n = 21 - 45. Let u = -16 - n. Suppose -4*b - 4*g = u, 2*b = -0*b - 4*g - 12. Solve 0 = -2*r - b + 6 for r.

2

Suppose -4*x + 2*j = -12, -x = -j + 4*j - 10. Suppose 1 + 7 = x*y. Suppose -2*f = -f. Solve y*c - 8 = -f*c for c.

4

Suppose 0 = -3*v + v, -2*v = -4*c + 32. Solve -3*m = -m + c for m.

-4

Let s = -12 + 27. Suppose 4*k + k + f = -3, -k - s = 5*f. Solve -o + 1 - 5 = k for o.

-4

Let q = -59 - -62. Solve 2*n = n - q for n.

-3

Let x be (0/(-4) - -2) + 0. Suppose n = 3 + x. Solve 2*u - 15 = -n for u.

5

Let k(n) = -3*n + 2. Let d be k(-6). Let g be 6/(-18) + d/6. Solve -g = 2*y + 3 for y.

-3

Let w be 12⁄10*(-15)/(-6). Let k be -1*w + (10 - 1). Solve 2*b - 12 = k*b for b.

-3