Let s = -21 - -60. Solve -5*d = s - 14 for d.

Suppose 0 = 2*y + 13 - 19. Solve y*c + c + 12 = 0 for c.

-3

Suppose 0*i - 5*i + 40 = 0. Solve 3*j - j - i = 0 for j.

4

Let j be ⁶⁄₄ - (¹⁵⁄₁₀ + -2). Solve 0 = j*w - 3 - 7 for w.

5

Let c(u) = u3 - 5*u2 - 2*u - 4. Let m be c(6). Solve -j = -6*j - m for j.

-4

Let x(a) = 2*a - 3. Let z = 2 - -1. Let w be x(z). Solve -w*y - 3 = 12 for y.

-5

Suppose -4*n = -3*n - 5. Suppose -4*r - 4*g + 0 + 16 = 0, 0 = -n*r + 3*g - 12. Solve r*j + j = 2 for j.

2

Suppose 5*n - 10 = 5. Suppose 0 = -n*i - 2*i. Suppose i = 4*k + k - 20, -5*r - 2 = -3*k. Solve 0 = -r*b + 2 for b.

1

Let q(w) = -w**2 + 9*w + 3. Let h be q(9). Let u be 1/(-3) + 6/(-9). Let i = h + u. Solve -i*k + 8 = 2*k for k.

2

Let c(g) = 16*g - 5. Let m(b) = 3*b - 1. Let o(a) = 2*c(a) - 11*m(a). Suppose -4*f - 5 = -1. Let v be o(f). Solve 0 = -r - v*r + 6 for r.

2

Let n(v) = -v**2 + 9*v + 12. Let q be n(10). Solve 3*l = -q*l + 15 for l.

3