Let g = -15 - -15. Solve -2*u + 10 = -g*u for u.

5

Let k = -2 - -5. Suppose 3*b = 5*h - 6, 3*h + 3*b = 2*h - 6. Suppose h = 3*d - k - 12. Solve -4*c - d = 3 for c.

-2

Suppose -z + 21 = -t, -2*z - 8 + 48 = -4*t. Suppose -u - 5*x + z = 0, -3*u + 13 = -5*x - 13. Solve -5*d - 8 = u for d.

-4

Suppose l + g - 8 = -0*g, 23 = l + 4*g. Suppose 2*p + 5 = 9. Solve l*b - 25 = -p*b for b.

5

Suppose -2*h = 2*h + 124. Let y be (-6)/8 - h/4. Solve -y*i = -2*i - 20 for i.

4

Suppose 3*k = 0, 4*k + 58 = 5*c + 13. Solve -3 = -3*y + c for y.

4

Suppose -2*m + g + 1 = 0, 0 = -3*m - 5*g + 4 + 17. Suppose -5*a - 35 = -4*k, -k = -4*k - a + 12. Let q = -16 - -19. Solve -q = -m*n + k for n.

4

Let h be 9⁄6-6-1. Solve 0 = -h*n + 4*n - 25 for n.

-5

Suppose -k = 4*q - 37, -4*q - 49 = -9*q - 4*k. Solve 3*v - q = -3 for v.

2

Let m be (1 + -2 - -3) + 16. Let c = 21 - m. Solve c*x + 4 = 10 for x.

2