Suppose -4*r - 4*b + 8 = 0, -8*b - 4 = 5*r - 10*b. Solve r = 2*y - 0*y - 4 for y.

2

Let z be ((-4)/10)/(1/(-25)). Let f = -9 + z. Solve 3*k = f + 2 for k.

1

Suppose 4*x = 2*c - c + 60, -2*c = -2*x + 24. Solve 5*k - k = x for k.

4

Suppose -3*w + 2*w = -4*m + 17, -5*m + 5*w = -40. Let d be 6/(-9) - (-20)/m. Let j = -8 - -11. Solve -j*b = -d*b - 15 for b.

-5

Suppose -3*u - 27 = -2*a - 0*u, 5*u + 19 = -a. Suppose -2*c - 3 = -7. Solve c*v = a*v for v.

0

Suppose 3 = -4*r + 23. Solve 2*b = b + r for b.

5

Suppose 0 = -2*y + n - 17, -2*n = -y - 18 + 2. Suppose -5*i - 6*s = -s, 28 = -4*i + 3*s. Let p = i - y. Solve v - 3 = -p*v for v.

1

Let u(n) be the first derivative of 3*n**2⁄2 - 4*n - 4. Let p be u(3). Solve -p*b - 2 - 18 = 0 for b.

-4

Suppose 2y = 8 + 24. Let u = -10 + y. Let q be u/5(-20)/(-8). Solve q*s = s for s.

0

Let t be (-3)/(1 + (-21)/18). Suppose -4*w - t = -6. Let i(o) = o3 + 4*o2 + 3*o + 3. Let v be i(w). Solve -4*a + v*a = -2 for a.

2