Let c = -21 - -21. Solve -m + 4*m - 15 = c for m.

5

Let a = -38 + 73. Suppose 21 = -5*r - v, 5*r + 13 = -4*v + 4. Let z be 28/a*r/(-2). Solve p = 3*p + z for p.

-1

Let u© = c3 + 8*c2 + 6*c - 4. Let h be u(-7). Suppose 0 = -h*l + 6 - 21. Let x be 0 - 0 - 5/l. Solve -o = -0 - x for o.

1

Suppose u - 2*i = 6*u - 24, 5*i = 10. Let m = -17 - -6. Let j = m + 16. Solve u*x - j = 7 for x.

3

Let d be (-1)/3 - (-4)/3. Let g be 11 - (1 + -2 + d). Let b = g + -1. Solve 3*y = y + b for y.

5

Let o(d) = -5*d + 4 - d**2 + 3 - 9. Let m be o(-4). Solve -m*r + 8 = -2 for r.

5

Suppose 3*v - 12 = -v. Let k(p) = -p - 5. Let c be k(-5). Solve c = v*j - 7*j for j.

0

Let u(q) = 2*q**2 + 3*q - 2. Let b be u(-3). Solve g = b - 2 for g.

5

Suppose 2*a - 6 = -4*s, 2*s = -2*a - 0*a + 8. Let w(m) = -8*m + 3. Let g(h) = -7*h + 4. Let q(d) = -2*g(d) + 3*w(d). Let n be q(s). Solve 1 - n = -2*u for u.

5

Let h be ((-15)/(-25))/(250). Suppose 4*f = -f + h. Solve l - f*l + 6 = 0 for l.

3