Let p(q) = 2*q**2 + q - 1. Let a be p(-2). Solve s = -4 + a for s.

Suppose 30 = -2*f - 3*f. Let r(u) = u3 + 6*u2 + u + 8. Let t be r(f). Suppose 0*v = t*v - 26. Solve -1 = -4*q - v for q.

-3

Suppose -10 - 17 = -3*c. Suppose -3*g + 8*g - 13 = 3*b, 0 = -5*g - b + c. Solve -10 = g*p - 2 for p.

-4

Suppose -2*v = 4, k + 6 - 16 = 3*v. Solve 0 = k*a + 17 - 1 for a.

-4

Let p be ((-42)/49)/(6/(-28)). Solve 0 = -p*b - 20 + 8 for b.

-3

Suppose -4*z + 4 = 2*i - 0, 0 = -5*i + z + 21. Suppose -i*c = -g - 24, 5*g + 30 + 15 = 5*c. Suppose -2*s = 2*s - 52. Solve -3 = c*n - s for n.

2

Let i = 2 + 1. Let p be 0 - ³⁄₂*-6. Let f = -34 - -34. Solve f*r + p = i*r for r.

3

Suppose 5*f - 4*f = 6*f. Let a be (2 - ¹⁰⁄₆)*6. Solve a*b = -f*b for b.

0

Let n be 16/(-20) - (-6)/(-30). Let x = -18 + 33. Let r be 2*(n - x/(-6)). Solve -r*z - 14 + 5 = 0 for z.

-3

Let l = 6 - 2. Suppose 0 = l*x - 3*w - 12, 8 = 2*x + 5*w + 2. Suppose -10 - 2 = -x*b. Solve -b*q = 4 - 12 for q.

2

Suppose -3*s + 5*r = -0*r - 35, 2*s = 5*r + 30. Let w = -2 + 2. Solve -2*q - 13 + s = w for q.

-4