Let o = -51 + 72. Let k = o - 20. Let x be ((2 - 1) + -1)/1. Solve -r - k - 4 = x for r.

-5

Suppose 4*d + 4 = 2*n, 3*d - 5*n = -0*n + 4. Let b be -1 + 0 - 14/d. Let p be 39 + 706. Solve b*r - 2*r = p for r.

3

Let c(t) = -t3 - 5*t2 - 2*t - 10. Let g be c(-5). Solve g = f + 1 + 1 for f.

-2

Suppose 3*o = k, 0 = -0*k + 4*k + 3*o. Let s(m) = -m. Let v be s(k). Suppose 5*a - 10 + v = 0. Solve 0 = -a*t - t - 12 for t.

-4

Suppose a - 16 = -3*a. Let h = -18 - -22. Suppose -2*l = 2*t - 42, -2*t = h*l - 7*l + 38. Solve 0*z = -a*z - l for z.

-4

Let j be (-33)/(-9)*(2 - -1). Let q = j - 11. Solve q = -5*a + 6 - 16 for a.

-2

Suppose 1 + 7 = 4*i. Solve i*l - 2 = -0 for l.

1

Suppose -3*p + 9 = 0, -2*t - 4 = -t - 3*p. Suppose w + w = -3*j, 2*j = 2*w - 10. Solve w*h + t = 4*h for h.

5

Let s(n) = n2 - n - 1. Let v(o) = -3*o2 + 2*o + 3. Let f(b) = -5*s(b) - 2*v(b). Suppose 5*d = 8 + 7. Let m be f(d). Solve -4*c + 1 = -m for c.

3

Let q = 4 - -4. Suppose 4*g + 4*c = q, 0 = -2*g - 3*g + c + 10. Solve -h + g*h - 4 = 0 for h.

4