Let u© = 3*c - 13. Let t be u(6). Suppose t*x + l = 2*x, 0 = x - 2*l - 7. Solve -x + 4 = -y for y.

-3

Let u(q) = -q**2 - 6*q + 2. Suppose r = -0*r - 6. Let p be u®. Solve 0 = -p*i - 5 - 5 for i.

-5

Suppose 6 = -24*a + 27*a. Solve -p = -a*p for p.

0

Let u be (-11)/22 - 42/(-4). Suppose -u = -3*v + 8. Solve d - v*d = 0 for d.

0

Let f = 10 - 7. Suppose j - 1 = -o - 0*j, -3*j = -o - f. Suppose o = 5*k + 5*t + 10, 0 = -2*t - 3*t - 25. Solve 20 = k*x + 2*x for x.

4

Let l = -102 - -105. Solve 0 = -f + l*f for f.

0

Suppose 4*z = -5 - 7. Let b be 1 + z/(2 - -1). Solve -4*v + 11 + 1 = b for v.

3

Let b = -5 - -20. Solve -8*s + 3*s + b = 0 for s.

3

Suppose 7*r + 4 = 9*r. Let y = 1 + 2. Suppose 16 = y*t + t. Solve -r*a + a = -t for a.

4

Let l = -15 - -19. Suppose -l = -2*x + 2. Solve -z - x*z = -8 for z.

2