Let a(q) = q**2 - 21*q + 22. Let n be a(20). Solve 0 = -n*x - 8 - 2 for x.

-5

Suppose -5*x = -2 - 3. Suppose 2*r - 10 = -2*t, -4*t + 10 = -5*r - x. Solve 8 = -t*c - 0 for c.

-2

Suppose 0 = -q - 2*q. Solve -2*w + q = -8 for w.

4

Let a = -17 - -21. Solve -8 = -0*n - a*n for n.

2

Suppose 5*a = 3*z + 1, -3*z + 29 = -0*a + a. Suppose -5*j = -3*g - g - 13, j - z = -g. Let c = j + 6. Solve 2*h = c - 1 for h.

5

Let n(x) = -x3 - 1. Let s(q) = q3 + 2*q + 2. Let r(u) = -2*n(u) - s(u). Let d be r(2). Let y be d/5 - 4/(-20). Solve 0 = -v + y + 2 for v.

3

Suppose 23 = -4*z + 107. Let l = z - 15. Suppose l*j - 4*j = 0. Solve j*w + 4 = w for w.

4

Suppose -4*m = 3*u - 3*m, 0 = 4*u + 3*m. Let j = 2 - u. Suppose j*h - 1 = h. Solve -r - 3 = h for r.

-4

Let k be -1 - (4 - (3 - 1)). Let j be (-8)/((-2)/1) + 0. Let r = j + k. Solve -1 = -2*n + r for n.

1

Let o be 4/(-32) - (-175)/56. Solve r = -o*r for r.

0