Let b = 50 - 84. Let g = 31 + -53. Let n = g - b. Solve 0 = 4*r - r - n for r.

4

Suppose 3*w + 2 = 5*u, 20*u - 26 = -3*w + 18*u. Solve -2*c + 16 = -w*c for c.

-4

Let l = 14 - 10. Suppose 3*h = -l*d + 4 + 13, -3*d - 6 = -4*h. Solve h*r - 4*r - 4 = 0 for r.

-4

Let v(b) = b2 - 8*b + 9. Let k be v(7). Let z(x) = -x2 - 6*x - 3*x - 3 + 0*x**2 - 6. Let r be z(-7). Solve 1 + r = k*t for t.

3

Let h be (-2)/3*(-5 - 1). Solve 0 = h*b - 0*b for b.

0

Let w be 34*((-45)/(-10))/9. Solve 5*r - 8 = w for r.

5

Suppose -2*f + 4*p + 10 = 0, 3*p = 3*f - 2*p - 13. Solve -3*j + f = 13 for j.

-4

Let g be -15*(-5)/(-10)*4/(-5). Solve 3*x + g = -6 for x.

-4

Let b = 21 - 19. Solve -x - b = x for x.

-1

Let k = -5 + 10. Suppose 0 = k*n - n + 28. Let d = -2 - n. Solve -3*z - d = 2*z for z.

-1