Suppose 0 = -x + 4*x. Suppose -6*u + 2*u = x. Solve a + 5 - 2 = u for a.

Suppose 5*z - 2 = 3. Suppose -3*v + 2 + z = 0. Solve 2*c - 1 = v for c.

1

Let b = -15 - -9. Let r be (b/(-12))/(²⁄₄). Solve a = -1 - r for a.

-2

Suppose 2*s + 0 = 4. Let v(u) = 2 - 5 - u**2 + s*u + 4*u. Let w be v(5). Solve -w*n - 4 + 2 = 0 for n.

-1

Let v(s) = -s**2 - 9*s - 10. Let z be v(-6). Solve k - 3*k + z = 0 for k.

4

Suppose 4*j - 8 - 4 = 0. Suppose j*h - 20 = -2*h. Solve -h*a + 0*a = 16 for a.

-4

Suppose 0 = 2*l + 4*v - 36, 4*l - 20 = v + 7. Suppose 20 = l*s - 3*s. Solve -20 + s = 4*x for x.

-4

Let d(w) = 6*w3 + w2 - w. Let l be d(1). Solve -3*y - l - 9 = 0 for y.

-5

Suppose -3*o + 5*r - 10 = 0, -2*o + 3*r - 6 = o. Solve 4*w + 8 + 4 = o for w.

-3

Let u = -1 + 5. Solve -u*g - 3 = -g for g.

-1

Let y be (-8)/(-24) + ²⁰⁄₃. Solve -y*o = -2*o + 5 for o.

-1