Suppose 2*t - t = 21. Suppose 0 = 2*f - 13 - 15. Let r = f - 9. Solve r*k - t = 4 for k.

5

Let s = -51 - -53. Solve 4*n + 8 = s*n for n.

-4

Suppose 0 = -0*v - 4*v - 36. Let u = -28 + 40. Let c = u + v. Solve 0 = -c*i + 3 + 6 for i.

3

Let q(o) = o + 7. Let p(a) = a + 6. Let i(s) = 6*p(s) - 5*q(s). Let x be i(1). Solve -z = 5 - x for z.

-3

Suppose 7*g = 10*g - 9. Let i = g + 5. Let c(p) = -p3 + 5*p2 + 2*p - 6. Let s be c(5). Solve j - s = -i for j.

-4

Let v(f) = f**2 + 4*f - 1. Suppose 0 = -2*i - i. Suppose i = 4*t - 6 + 34. Let k be v(t). Solve -2*o = 2*o + k for o.

-5

Suppose 0 = -2*t - 2*j, 7*t = 4*t - 2*j + 2. Solve -t*f + 5 = -f for f.

5

Let i be (-6)/(-4)*80⁄30. Suppose 5*o = -3*p + 3, 4*o + 0*p + 2*p - i = 0. Solve y + 0*y + o = 0 for y.

-3

Let g be 5/((-4)/16*-4). Solve 2*i - g = i for i.

5

Suppose 4*v - 5*g = 25, v - 4*g - 6 = 3. Let a(s) = s + 3. Let f be a(-4). Let w be 1/f + 22 - 1. Solve r - w = v*r for r.

-5