Let a® = -r. Let z be (12/(-15))/(615). Let h be a(z). Solve -u = 6 - h for u.

-4

Let m = 23 - 20. Suppose -6 = -b + 1. Solve k = -m + b for k.

4

Let y© = c - 6. Let x be y(3). Let k be 5 + x + 21. Solve k*i - 2 = 6 for i.

2

Let i(v) = v3 - 5*v2 - 6*v. Let s be i(6). Suppose 4*q + x - 4*x = 32, q + 4*x - 8 = s. Solve -5*m = -12 - q for m.

4

Let t(b) = b3 - 7*b2 + 9*b - 9. Let x be t(6). Solve 3*o = -3 - x for o.

-4

Let j = -29 + 36. Let h be (-5 + 0)/(1/(-3)). Solve h = -2*i + j*i for i.

3

Let m be (1 - 0)/(-1 - -2). Let q = m + 1. Suppose j = -j + 4, -q*z = 5*j - 10. Solve z*s = 4*s + 16 for s.

-4

Suppose -n + 0*n - 12 = -4*m, 2*n - 2*m = 0. Solve 10 = b + n*b for b.

2

Let j© be the second derivative of -c36 - c22 - 2*c. Let h be j(-3). Let v = -6 + 8. Solve -h = -4*b + v for b.

1

Let a(b) = b + 8. Let x be a(-7). Solve -2*c + 5 + x = 0 for c.

3