Let f = 72 - 72. Solve -5*s + 7 + 18 = f for s.

5

Let w be (2/(-4))/(2/(-16)). Let l be w/(-10) - (-17)/5. Suppose 10 = l*f + 2*f. Solve 0*t = -f*t + 10 for t.

5

Suppose -3*o = 4*x + 3 - 49, 0 = -4*o + 2*x + 32. Solve -g - 4*g - o = 0 for g.

-2

Let z(i) = 0 + 2 - i2 + 3*i + 2*i2. Let t be z(-2). Suppose 0 = 3*w - 2*r + 2, 5*w - w + 3*r = 3. Solve w = -t*q - 4*q for q.

0

Suppose 0u + 12 = u. Let m be 5 - 2/(-4)-4. Suppose -m = -2*r + 1. Solve r*z = -z + u for z.

4

Suppose 3*n + 16 = 11*n. Solve n*m - 2 = 2 for m.

2

Let w(p) = 2*p**2 - 3*p - 4. Let t be w(3). Let g = 0 + t. Suppose -g*r = -3*r. Solve -i + r = 1 for i.

-1

Suppose -q + 6*q - 15 = 0. Solve 2*c = q*c for c.

0

Let s© = c**2 + 8*c + 7. Let o be s(-7). Suppose 3*f - 6*f = o. Solve -4*u + f*u = 20 for u.

-5

Let q be ((-36)/(-16))/((-1)/(-8)). Let s be q/24*4*1. Solve -s*w + 9 = 21 for w.

-4