Let k = -17 + 20. Suppose -3 - k = -2*r. Solve r = -2*w + 9 for w.

3

Suppose -x + 8 = -4*i - 7, -2*x = 5*i + 9. Suppose -5*s = 10, 5*s = -3*l + 2*s + x. Solve 19 - 7 = -l*c for c.

-4

Let y = 13 + -11. Solve y*v = -3 + 5 for v.

1

Let l(g) = g3 - g3 - 5 + 7*g2 - g3 - 5*g. Let w be l(6). Let d = 3 + w. Solve -d*f = -f - 9 for f.

3

Let i(m) = m**2 - 9*m - 27. Let h be i(12). Solve -2*r + 1 + h = 0 for r.

5

Suppose 5*v = -4*c + 71, 0 = -2*v - 6*c + c + 42. Let l = v + -6. Let a = -2 + 2. Solve a = -2*r + 15 - l for r.

5

Let l(v) = -11*v - 17. Let b© = 4*c + 6. Let r(u) = 17*b(u) + 6*l(u). Let s be r(2). Let q = -8 + 12. Solve q*y + s = -12 for y.

-4

Let m(a) = a3 + 4*a2 - 2*a - 3. Let h be m(-4). Solve h*r = 4*r - 3 for r.

-3

Let j(v) = -v - 1 - 12 + 22. Suppose 5*w - 24 = -4*t, -2*w + 25 = 3*w + 5*t. Let k be j(w). Solve -3*q - 8 = -k*q for q.

4

Let n be ((-6)/(-4))/(1⁄10). Let p(m) = m3 + 5*m2 + 4*m + 2. Let t = 11 + -15. Let j be p(t). Solve j*b - n = -b for b.

5