Suppose 4*r = 7*r - 6. Suppose r*n - 4*f - 20 = 0, -2*f - 26 = -3*n + 3*f. Let a be (-1)/1*(1 - 16). Solve -u + a = n*u for u.

Let f(q) = 2*q - 13. Let o be f(9). Solve -o = -2*r + 3*r for r.

-5

Suppose 2*r = -3*r + 15. Let w = 2 + r. Suppose 2*q + 0*q = 38. Solve -6 = -w*h + q for h.

5

Let w = 1 - -2. Suppose 4*u + 27 = -0*z + 5*z, -5*z + 18 = -u. Suppose -w*v - z*t - 1 = -t, -v + t + 3 = 0. Solve v = -k + 5 for k.

4

Let n be ((-2)/(-6))/(²⁄₁₂). Let d = -18 - -12. Let i = d + 9. Solve i*c - n = c for c.

1

Let c be ((-16)/12)/2 - (-8)/3. Solve -c*n - 2*n + 12 = 0 for n.

3

Suppose 0 = 4*z - 3*u + 6 + 1, -5*u = 5*z. Let m = 3 + z. Let c be (4 - m) + (-1 - -2). Solve -c*h = -h + 10 for h.

-5

Suppose -b - t - 1 = 0, 0 = -5*b - 0*t + 3*t + 19. Solve 5*u - 8 = b for u.

2

Let j(g) be the first derivative of g⁴⁄₄ + 4*g³⁄₃ - g**²⁄₂ + 3. Let p be j(-3). Solve -3*l + p = l for l.

3

Suppose -4 = -q + 3*h - h, 4*h + 14 = -q. Let w be q/(-4) - 2/(-4). Solve -w - 1 = k for k.

-2

Suppose -3 = -2*i + i. Solve -5 = -i*w + 10 for w.

5