Suppose -4*b + 7*x = 3*x + 12, 2*b - 4*x = -16. Suppose 0 = n - 2*n. Let k = 2 - -4. Solve -b*o = -n*o + k for o.

Suppose 7*x - 2*x - 5*f = 20, -20 = -5*f. Let q(b) = 2*b**2 - b - 2. Let j be q(2). Let n be (-2)/x - (-25)/j. Solve n*i - 4 = 2*i for i.

1

Suppose -5*u + 12*u = 42. Solve 5*t - 14 - u = 0 for t.

4

Suppose -3*k + i + 111 = 0, -4*k - 6*i = -i - 148. Suppose -3*b + k = -23. Solve -x - 3*x - b = 0 for x.

-5

Let f(u) be the second derivative of u⁴⁄₁₂ + 4*u³⁄₃ + 5*u**2 + 7*u. Let b be f(-7). Solve b*t - 25 = -2*t for t.

5

Let b(y) = -y3 + y2 + y - 6. Let n(v) = -v - 4. Let i be n(-4). Let q be b(i). Let z be q/(-27) - (-2)/(-9). Solve z = -3*a + 10 - 1 for a.

3

Suppose 0*w - 45 = -5*w. Let q(b) = 12 - 8*b + 2*b3 + w*b2 + 0*b3 - 3*b3. Let k be q(8). Solve -4*c = -c - k for c.

4

Let v = 19 + -19. Solve 5*z - 5 = -v for z.

1

Let j(q) = q3 - 2*q2 + 2*q - 2. Let a be j(2). Suppose -a*h = 3*h. Suppose -5*g = -0*f - 2*f + 6, -5*g + f - 3 = h. Solve g = -0*r + 4*r for r.

0

Let p = -20 - -23. Solve -3*b + p = -0 for b.

1

Let g(k) = k - 1. Let u® = 12*r - 15. Let i(w) = 15*g(w) - u(w). Let b be i(5). Suppose a - 2*f = 10, 4*a - 5*f + b = 46. Solve -a = -0*t - t for t.

4