Let d(v) = v - 1. Let u be d(3). Let t be u - (4/(-1) - -1). Solve t = 5*r - 10 for r.

3

Let l be (-4)/(-12)-2-12. Solve 0 = -8*p + 4*p + l for p.

2

Suppose 0 = -5*h + 2*h + 2*f, -5*f = h. Solve 0 = -c - h*c for c.

0

Let y = 61 - 52. Solve -4*b - 3 - y = 0 for b.

-3

Suppose 0 = -5*x + r + 74, -3*x - 3*r = 1 - 31. Solve 1 + x = -3*o for o.

-5

Suppose -3*v - n = -17, 12 + 13 = 3*v + 5*n. Suppose 4*c = 2*l + 22, 0 = v*c - 5*l + 10 - 50. Solve c*s - 2*s = 1 for s.

1

Let p be (-212)/(-18) + (-4)/(-18). Solve -2*u = -6*u - p for u.

-3

Let h be 2/(-8) + 13⁄4. Solve 4 + 8 = -h*u for u.

-4

Suppose m - 19 = -4*g, 20 = 3*g + 4*m - 9*m. Suppose 0 = -l + g*l. Solve 3*i = -l*i + 6 for i.

2

Let f = -8 - -10. Suppose -2*n + n + 3*d = -5, -5*d - 15 = -3*n. Suppose -2*v - 9 = -5*y, v = -f*v - n*y + 24. Solve -v*p = -2*p + 2 for p.

-2