Suppose -21 = -2*k + a, 2*k + a - 20 = 3*a. Solve k - 1 = 5*w for w.

2

Suppose -1 = 3*k + 2. Let g be (-1)/((-4)/8) - k. Solve -7*c + g*c - 20 = 0 for c.

-5

Let b(u) = 25*u. Let z be b(1). Suppose x - 3*a = -10, -20 = -5*x + 3*a - 2*a. Suppose -x*o - z = -5*h, 5*h - 24 = 2*o + 1. Solve o*i = -5*i for i.

0

Let w = -7 - -11. Solve -2*p + 4 = -w for p.

4

Suppose -5*v + w = -38, 7*w - 2*w = -4*v + 13. Suppose -4 + v = j. Solve 0 = j*u + 2*u - 10 for u.

2

Suppose -4*t = 2*m + 6 - 14, 3*t - 6 = m. Suppose r - 15 = -m. Solve 0 = -6*u + u - r for u.

-3

Let a be (0 + -5)*(0 - 1). Solve -a*y + y + 4 = 0 for y.

1

Let a(x) = -x3 - 5*x2 + 5*x - 1. Let b be (-4)/((-5)/(45/(-6))). Let k be a(b). Solve -5*u + 30 - k = 0 for u.

5

Let s = 48 - 45. Suppose -5*b = -4 - 6. Solve s*m + b = -4 for m.

-2

Let v(w) = w3 + 14*w2 + 8*w + 6. Let l(f) = -f3 - 15*f2 - 8*f - 6. Let z(i) = -6*l(i) - 7*v(i). Let j be z(-7). Solve a - j = 2 for a.

3