Suppose -2 = -2*y + k, 2 = -2*y + 2*k - 0*k. Solve -y*m - 2*m - 20 = 0 for m.

-4

Let u be 0 + -2 + 5⁄1. Let m be 2/(-5) + (-78)/30. Let q = m + u. Solve q*z = 5*z + 5 for z.

-1

Suppose 17 = 4*i - h, 4*h - 2 = i + 5. Solve -i = -j - 0*j for j.

5

Let l = 63 - 45. Let a = -13 + l. Solve 5 = -a*h - 5 for h.

-2

Suppose -4*k - 4*h - 4 = 4, 3*k = -2*h - 4. Let v = k + 5. Solve -v = -0*d - d for d.

5

Suppose 3*h - 1 = -2*q, q + 2*q - 1 = -5*h. Suppose 2*b - q = b. Let n be (-40)/(-22) + (-8)/(-44). Solve n*j - 12 = -b*j for j.

3

Suppose 0 = 4*f + 2*x + 2, 0*x + 3*x = f - 3. Suppose 4 = k - f. Solve -5*a + 16 = -k for a.

4

Let w(f) = f3 + f2 + 9. Let z be w(0). Let p = 9 - z. Let r(v) = v + 4. Let h be r(p). Solve -5 = 3*a - h*a for a.

5

Let a(l) = l3 + l2 + 2. Let q be a(0). Suppose 0 = 2*r - q - 4. Solve 1 + r = -4*f for f.

-1

Let s© = c3 + 7*c2 - 7*c + 4. Suppose 0 = -2*w + 5*m - 16, w + 32 = -3*w + 3*m. Let f be s(w). Let u be (6/f)/((-6)/16). Solve 0*d + d + u = 0 for d.

-4