Suppose 5*r - 8 = 2. Suppose -4*y = -3*y - r. Solve 0 = -6*k + 5*k - y for k.

Suppose -1 - 2 = -f - c, -4*f + c = -12. Solve f*h - 16 = -h for h.

4

Suppose -10 + 0 = -2*u. Suppose -26 = -3*x - 0*x + u*f, 8 = -2*f. Let g = 3 - x. Solve y + 0 = g for y.

1

Let o = -42 - -16. Let v = 46 + o. Solve 0 = 3*c - 7*c + v for c.

5

Suppose -f = -2*f. Suppose f*a - a = -2. Suppose 0 = 3*u + a*u. Solve -3*g - 5 + 17 = u for g.

4

Suppose -4*u + 34 = -2*z, 2*u - 5*z - 8 = -z. Solve 4*p + u = 2 for p.

-2

Suppose -11*s + 20 + 13 = 0. Solve -c = -2*c - s for c.

-3

Let o be ¹²⁄₅ + 2/(-5). Let z(y) be the second derivative of -y⁵⁄₂₀ - y⁴⁄₁₂ + y**2 + y. Let s be z(-2). Solve 4*u + s = o*u for u.

-3

Suppose 4*s - 27 = 45. Let p(g) = -g3 + 4*g2 + 7*g - 7. Suppose -2*j - 2*k = -12, -5*j + 3*k = -22 - 0. Let o be p(j). Solve -3*c = o - s for c.

5

Suppose -5*y - 3*d + 19 = 0, 0 = 4*y - 4*d - 1 + 5. Solve z - y = -z for z.

1

Suppose -5*k + 0*k - 279 = u, -k - 2u = 54. Let b be 16/k + ²⁄₇. Let c be -3(2 - ⁷⁄₃). Solve b*q = -q + c for q.

1