Let g be 10/(-45) - (-47)/9. Suppose g*w - 68 = -2*f, 0*f + 2*f - 66 = -4*w. Solve -4*j + 9 = f for j.

-5

Let i = 5 - 8. Let k = i + 4. Solve -1 = -m + k for m.

2

Let s(b) = -b**2 + 6*b + 4. Let q be s(6). Solve -4 - 4 = -q*c for c.

2

Suppose 9 = 3*x - 3. Suppose -4*k - 2*t = -t - 20, 4*k - 5*t = -x. Solve k = -d + 2*d for d.

4

Suppose 5*d - 2*d - 9 = 0. Solve -15 = d*w - 6*w for w.

5

Let j(y) be the first derivative of 2 - 53*y3 + 0*y + 2*y2 + 14*y**4. Let n be j(4). Solve -8 = -n*c - 2*c for c.

4

Let b = 6 + -7. Let r be (2 - b) + (3 - 4). Solve 0 = -7*m + r*m + 25 for m.

5

Suppose 0*o = -2*o + 8. Suppose o*d = d. Suppose 3*c - 4*c = d. Solve 3*u = -c*u for u.

0

Suppose 3*g - g = -16. Let q© = c + 10. Let l be q(g). Solve -4*o = -l*o for o.

0

Suppose 5*o - 25 = 5*a, -1 + 18 = o - 5a. Let r be (-4)/6-3*o. Suppose -5*j + 30 = r*m, 0*j - 5*j + m + 5 = 0. Solve -8 = -5*t + j for t.

2