Suppose -9*a = -13*a + 12. Suppose 0 = 5*b + s - 4*s - 20, 12 = 3*b - 2*s. Solve -a*r + 1 = -b*r for r.

Let s = 12 - 4. Suppose -3*b = -s*b + 2*o + 28, 8 = 3*b + o. Solve -b*l + 3 + 9 = 0 for l.

3

Let r(w) = -6*w2 + 3*w + 7. Let q(o) = 5*o2 - 3*o - 6. Let l(n) = 5*q(n) + 4*r(n). Let k be l(5). Solve s = -3*s + k for s.

2

Let a be 2 + -1 + -3 + 4. Let c(l) = 0 + 4*l + 1 - l**2 - 2*l + a. Let u be c(3). Solve u = -3*p + p + 10 for p.

5

Let r = 6 - 2. Solve r = 3*w - 2 for w.

2

Let g be (³⁄₆)/(¹⁄₂₆). Let n = -9 + g. Solve -q - q = n for q.

-2

Let q = -51 + 54. Solve 0 = q*x - 7*x + 12 for x.

3

Suppose -4*h = c - 0*h - 6, 6 = c - 4*h. Let u = 6 - c. Solve 0 = -3*j - u*j for j.

0

Let o(u) = u3 + 7*u2 + 7*u + 3. Let r be o(-6). Let b be 8/r*3/(-2). Solve -b*w - w + 20 = 0 for w.

4

Suppose 75 = 15*w - 10*w. Let n = w - 15. Solve 0*t + t - 3 = n for t.

3

Let n(l) = l - 9. Let k be n(14). Solve k*f + 20 = -0*f for f.

-4