Let c(a) = -a. Let m be c(0). Suppose -r - 3*r + 5*f = -23, -r + 5 = -f. Suppose m = -3*d - r*d. Solve d*i = -2*i + 8 for i.

4

Suppose 2*l = 2*h, -4*h - 8 = -h - 5*l. Suppose 0 = -h*q + q. Suppose q = i - 2*i + 3. Solve i*v = v for v.

0

Let z(p) = -p3 + 11*p2 + 12*p + 5. Suppose 5 = 2*y - y. Suppose y*c = 4*c + 12. Let d be z©. Solve -d*m + 20 = -m for m.

5

Suppose 3*x + 5*o = -17, -3*o - 15 = 2*x - 5*x. Solve -c - x = -0 for c.

-1

Let r(g) = 7*g - 3. Let a be r(4). Solve -a = u - 6*u for u.

5

Suppose n + 110 = 6*n. Solve 5*p - 3 - n = 0 for p.

5

Let n be 3/(-7) + (-24)/(-7). Suppose 9 + 0 = 3*t. Suppose 6 = 5*a - t*a. Solve -9 = n*p + a for p.

-4

Suppose 3 + 2 = t. Let h(o) = o. Let y be h(t). Let m = 5 - y. Solve m*v = -4*v for v.

0

Let h = -2 + 12. Suppose 0 = -2*g + z + 5, 4*z - 2*z = -2*g - h. Solve 4*l + 0*l + 8 = g for l.

-2

Let q be ((-7)/2)/((-3)/(-12)*-2). Solve 0 = -q*z + 3*z + 20 for z.

5