Let k be 5⁄10(0 - -6). Let a be (0 + 1)(4 - 0). Solve -r - a = k*r for r.

-1

Let x© = -c2 + 7*c - 7. Let o(s) = -s2 + 8*s + 5. Let r be o(8). Let d be x®. Let v(w) = w3 - 3*w2 + 2. Let t be v(d). Solve t*l - 1 = -9 for l.

-4

Suppose -t + 3 + 19 = 2*i, 0 = 4*t - 8. Solve 0 = 5*j - i*j for j.

0

Suppose -18 = 7*m - 53. Solve 18 = m*c + 3 for c.

3

Let f(h) = -h3 + h2 + h + 4. Let b be f(0). Suppose 0 = 5*s + 5*u - b - 31, 2*s - 23 = -5*u. Let g = -9 + 10. Solve s*c = -3 - g for c.

-1

Suppose 4*h - 16 = -4*k, 4*h - 6*h + 2*k + 8 = 0. Solve -3*p = -h*p for p.

0

Suppose 0 = 2*g + 5*k - 0*k + 9, 3 = -g - 2*k. Suppose c - 9 = -g*f, 3*f - c - 12 - 3 = 0. Let w® = r**2 - r - 2. Let b be w(f). Solve 2*l - b = -0*l for l.

5

Let m(q) = -q3 - 6*q2 - q - 6. Let g be m(-6). Solve g = -0*b + 2*b for b.

0

Let h be 4 + -6 - -1*4. Solve -7*m = -h*m + 15 for m.

-3

Let k = -9 - -12. Solve u - 2 = k for u.

5