Suppose 30 = 5*s + 5. Let z© = c**2 - 4*c + 5. Let m be z(4). Suppose m*p - 15 = 0, -6 = s*r - 5*p - 1. Solve -5*k - 12 = -r*k for k.

-4

Let o(b) = -2*b3 + b2 + 2*b + 1. Let n be o(-1). Solve n*z - 5*z + 12 = 0 for z.

4

Suppose 7*w - 12 = 5*w. Solve 2*c - w = -0*c for c.

3

Let i be ((-6)/15)/((-4)/20). Let g be 78⁄18 - i/6. Solve -s = -g*s + 12 for s.

4

Let u = 5 - 4. Solve 0 = -z - u + 3 for z.

2

Suppose 7*c - 5*f = 2*c + 30, -22 = -5*c + f. Suppose 5*t - t = -c*n + 12, 4*n - 3 = -t. Solve u = -0*u + t for u.

3

Suppose 5 = -5*f - 5*m, -f = 5*m - 5 + 26. Suppose -f*d + 5*q = -7 - 13, 0 = -d + 2*q + 8. Suppose -3*r = -0*r - 9. Solve -r*b - 3 + d = 0 for b.

-1

Let v be 1/(2 + (-34)/16). Let b = 13 + v. Suppose -b*d + 5*q + 55 = 0, -3*d - 4*q = -2*d - 16. Solve d = 3*o - 0*o for o.

4

Let g be (-1 + -1)/(3/(-6)). Let a = g + 0. Solve a*j + 12 = j for j.

-4

Suppose -o - 35 = -5*y, -6*o + 23 = 3*y - 7*o. Solve 2*w - 8 = y*w for w.

-2