Suppose 4*a = 4*z - z - 9, -2*a + 4*z = 12. Suppose 0*d - 2*v = -2*d + 6, 0 = 5*d + 2*v - 22. Suppose 5*u + 20 = a, -2*f + u - d + 16 = 0. Solve f*y = -y for y.

Let u(o) = -9*o - 1. Let t be u(-2). Let y(q) = -q - 1. Let z be y(2). Let k = 1 - z. Solve -3 = k*w + t for w.

-5

Suppose 3*g - 4*u = -2*u - 4, -2*g - 21 = -5*u. Let w = -8 - -11. Suppose -3*z + l + 19 = -z, 2*z - 17 = w*l. Solve 0*k = -g*k - z for k.

-5

Suppose -4*g - 5*z = -0*z - 18, 0 = -3*g - z + 8. Solve 0 = -g*w + 5*w + 12 for w.

-4

Let x = -21 + 26. Solve 2 = x*a + 7 for a.

-1

Let x(b) = 3*b + 5. Let m be x(-1). Solve -m*c + 0*c = 0 for c.

0

Suppose -k + 2 + 4 = 0. Let p(z) = z**2 - 4*z - 7. Let l be p(k). Let o be (-2)/(-5) + 8/l. Solve 3*c = 5*c - o for c.

1

Suppose -9*m = -4*m - 150. Suppose 0*p = p + m. Let b = p + 50. Solve 0 = 2*l + 3*l + b for l.

-4

Suppose 0*x = x - 6. Let u be (x - (-3)/(-1)) + -1. Suppose u*t - 4 = -0*t. Solve -t*d - 4 = -d for d.

-4

Suppose 0 + 6 = 2*t. Let h(k) = 2 - t + 3*k2 + 0*k2 - k. Let v be h(-1). Solve 4*a - 19 = -v for a.

4

Let u be ²⁴⁄₁₄ + ²⁄₇. Solve u*x + 2 + 0 = 0 for x.

-1