Let k be 33/(-143) + (-68)/(-13). Solve k*z - 28 = -2*v, 11 - 3 = -3*v + 5*z for v.

4

Suppose 14*c = 139 + 477. Suppose -h - c = -5*v + 25, 0 = 2*v - 3*h - 38. Solve 4*z - 2*p + 5*p = v, 5*z - 5*p = -10 for z.

1

Suppose -4*z - 8 = -443*f + 441*f, -2*z - 2 = 0. Let l = 30 + -9. Solve -r - 5*m = -l, -5*r + 2*m = -f*r + 22 for r.

-4

Let p = -10 - -19. Let i = p + -4. Suppose -3 + 3 = i*d. Solve 2*v - 4 = -0*v - 2*k, -v - 4*k - 1 = d for v.

3

Let z(s) = 2*s**2 - 7*s - 291. Let x be z(14). Solve x*f = -3*u + u - 9, -5*u + 2*f = -25 for u.

3

Let n(a) = 2*a**2 + 41*a + 159. Let j be n(-16). Solve -9*h = -6*h + 2*r - 15, h + 4*r - j = 0 for h.

3

Let f be (1/(21⁄12))/((-1)/(35/(-10))). Solve 2*v - 1 = 34*j - 37*j, 2*j = -2*v - f for v.

-4

Let b = -14 + 18. Let u = -1617 - -1622. Solve -c + u = 2*y, 24 = -b*c - 0*y + 3*y for c.

-3

Suppose -f + 2*y = -5, -4*f + 5*y = 7*y - 10. Suppose -2*p - 23 = -4*p - n, 3*n = -f*p + 39. Solve 2*w + 2*d + p = 4, -4*d = -w + 22 for w.

2

Let h(n) = -n + 28. Let x© = -2*c + 72. Let f be x(28). Let b be h(f). Solve -b = d + 4*s, -5*s - 32 = -0*d - 3*d for d.

4