Let c = -5 + 7. Solve 6 = z + c*z for z.

Let x(p) = 2*p - 5. Let z be x(4). Solve -9 - 3 = z*m for m.

-4

Let c = -72 + 82. Solve 0 = -4*j - 2 + c for j.

2

Suppose 16*a = 79 + 1. Solve 0 = -4*j + 1 - a for j.

-1

Let s = -15 + 19. Solve j + s = -0 for j.

-4

Suppose -91 = 2*x - 21. Let c = -19 - x. Solve -c = 3*i + i for i.

-4

Suppose -2 - 98 = -5*i. Suppose -q = -5*q + i. Let a = q + -5. Solve -x - 3*x + 20 = a for x.

5

Suppose 23 = 5*d - 2*o, 4*o - 23 = -4*d + o. Suppose 0 = -d*s + 34 + 11. Let p be 6/s + (-2)/3. Solve -3*g + p*g = -9 for g.

3

Let p = 15 + -11. Suppose r - 4*r + p*u = -11, 3*r + 2u = -19. Let w be -1(-2 - (r + 2)). Solve 4*n + w = -3 for n.

-1

Let b(x) be the first derivative of 1 - ¹⁄₂*x2 - 4*x + ¹⁄₃*x3. Let v be b(-3). Solve -u = u + v for u.

-4

Suppose -h + 2*h + 5 = 0, -2*m + 40 = -2*h. Let u = 15 - m. Solve u = 3*a + 10 + 5 for a.

-5