Let j = 5 + -5. Solve -3*r - r + 16 = j for r.

4

Suppose -2*z - 17 = -3*s, -s - z = 3*s - 19. Suppose -t = -h + 8 - 3, -s*t + 25 = 0. Solve i + h = -i for i.

-5

Suppose -3*m - 5*s + 5 + 26 = 0, -m = 5*s - 27. Let t(q) = -2*q. Let y be t(-2). Solve m*w - 6*w = y for w.

-1

Let a(x) be the first derivative of x44 - 5*x33 - 5*x**22 + 9*x + 2. Let c be a(6). Solve 0 = -5*v + 40 - c for v.

5

Let b(p) = 2*p**2 - 9*p + 4. Let u be b(4). Let k = -10 - -13. Solve k*i - 7*i - 20 = u for i.

-5

Suppose -15*q = -13*q - 18. Solve 3*h = 6*h - q for h.

3

Suppose -25 = -2*s - 0*s + 3*k, -15 = -5*s - 2*k. Suppose 50 - s = 3*i. Solve 4*v - v = -i for v.

-5

Suppose 4*r + r = -20. Let c be (6/(-1))/(3 - 4). Let u = c - r. Solve d + u - 5 = 0 for d.

-5

Suppose 0 = 4*c - 3*c + 2*g - 31, 0 = -3*c - g + 78. Solve 6*j - j + c = 0 for j.

-5

Let o = -26 - -28. Solve o*y = 3*y - 2 for y.

2