Let z = -12 + 22. Suppose c + 3*j - 5 = z, 4*c - 5*j = -25. Solve c = 3*u + 8 - 20 for u.

4

Suppose 13 = y + 4*b + b, -2*b - 8 = -4*y. Solve -5*o = -2 - y for o.

1

Let h(u) = u3 - u2 - 2*u. Let v be h(2). Suppose 3*t + v*q = 3*q - 3, 31 = 4*t + 3*q. Solve 0 = 3*i - i - t for i.

2

Let w© = -c**2 - 6*c - 2. Let d be w(-5). Solve k = -2*k - d for k.

-1

Let y be (-4)/(-5)*(21 - -4). Solve -a - 3*a = y for a.

-5

Suppose 5 = -7*a + 12. Solve 2*v - a = 3*v for v.

-1

Let u = 39 + -24. Solve 0 = 7*w - 2*w - u for w.

3

Let u = 86 - 86. Let g = -7 - -12. Let c® = -r - 1. Let y be c(-6). Solve 0 = -g*a - y - u for a.

-1

Let v(p) = -p3 - 7*p2 + 7*p. Let x be v(-8). Solve -x*c - 20 = -3*c for c.

-4

Let k(s) = 2*s**2 - 4*s + 3. Suppose 0 = t - 1 - 1. Let v be k(t). Suppose x + v*w - 25 = 0, 5*w + 0*w - 45 = -2*x. Solve -5 = -5*c + x for c.

3