Let c(x) = -x3 - 7*x2 - 11*x - 5. Let v be c(-5). Solve v*r - r = 3 for r.

-3

Let o be ((-6)/(-15))/((-2)/(-20)). Let p(s) = -7*s + 0*s + 0*s2 + s2 + o. Let k be p(7). Solve -6 = b - k*b for b.

2

Let w(n) = -n3 - 5*n2 + 5*n + 8. Let b be w(-6). Suppose 5*x = 4*g + g + 5, 4*x + 2*g = 10. Let h = 3 - x. Solve -5*f + h = -b for f.

3

Let i be -71⁄7-12. Suppose -h + i = -3h. Let q be (h/(-15))/(-1)-10. Solve 3 - 11 = -q*m for m.

2

Let x = -20 - -22. Solve x*u - 5 = -1 for u.

2

Suppose -26*m + 90 = -17*m. Solve 0*t = -5*t + m for t.

2

Let t(u) = -3*u + 21. Let w be t(7). Solve -3*v - v = w for v.

0

Suppose h = 3*h. Solve h*q - 3*q + 9 = 0 for q.

3

Suppose -3*b + 2*b = -42. Suppose -b = -4*g - 2*h - 10, 20 = -5*h. Suppose 2*z = 3*r - 19, 0 = -3*r + 4*r + 3*z + 1. Solve -r*o = -g*o for o.

0

Let t = -2 - -4. Suppose v = 5*u, t*u = -3*v + 5*v. Solve v = -2*y + y + 5 for y.

5