Suppose 0*r = r + f - 3, -2*r = 5f - 15. Let h be r(20⁄8 - 3). Suppose 4*a - 3 = 3*a. Solve -l = -a - h for l.

3

Suppose 0 = 2*j - 7 - 1. Solve 0 = -7*a + j*a - 15 for a.

-5

Suppose 4*m = -3*l + 21, 0 = -l - 5*m + 3*m + 9. Let c(b) = b3 - b2 - b + 1. Let f be c(1). Solve f - 12 = l*y for y.

-4

Suppose 0 = -2*b + 19 + 5. Solve 3*q + q + b = 0 for q.

-3

Let v be 3 - (-1 + 3) - -6. Let b = v - 2. Solve -b*x = -2*x + 6 for x.

-2

Suppose b = r + 5*b - 22, r = -2*b + 12. Solve -8*o + r = -9*o for o.

-2

Let s(a) = a3 - 6 + 5*a2 + 3*a + 13 - 2*a. Let l be s(-5). Solve 0 = 2*t + l*t - 20 for t.

5

Suppose u - 1 = -5*g, -5*u + 63 = -5*g + g. Let h = 9 - u. Let d(o) = -3*o - 3. Let j be d(h). Solve 0 = j*r - r for r.

0

Let k = 126 + -113. Solve -3*i = -4 + k for i.

-3

Let j = -6 - -11. Let l = 32 - j. Solve -l = -5*b - 7 for b.

4