Let v = -39 + 54. Solve -l = -6*l + v for l.

3

Suppose -z - 15 = -4*z. Solve -4*s + z = -5*s for s.

-5

Let v(l) = -l3 - 5*l2 + 2*l + 10. Let d be v(-5). Let q be 64*23. Let b be 13 + d + -1 + q. Solve 0 = -4*n - 5 + b for n.

2

Suppose -2*n + 20 = 3*n. Let o = n + 0. Let t be -2 + 11 + 6. Solve 3*u = t*u + o for u.

-2

Let n(y) = y + 10. Let t be n(-7). Let s(j) = j + 1. Let f be s(t). Solve 15 = f*c - c for c.

5

Suppose 0 = -5*b + 2*b + 15. Suppose a = -a - 2*y + 10, -2*a - 25 = -b*y. Solve a*i = -2*i for i.

0

Let f© = c**2 - 10*c + 3. Let z be f(10). Solve z*a - 20 = -a for a.

5

Let u(f) = -f + 10. Let o be u(6). Solve -6 = o*a + 2 for a.

-2

Suppose 5*q - 57 = 2*h, -h + 31 + 38 = 5*q. Let g(b) = -b**2 - 5. Let t be g(0). Let s = t + q. Solve 20 = -s*c + 3*c for c.

-4

Suppose -5*p + 2 + 3 = -q, 2*q + 10 = 0. Solve -t = -p*t + 1 for t.

-1