Let h be (-55)/(-25) - (-2)/(-10). Suppose -2*i + 4 = -2*r, 2 = 5*i + 4*r + 10. Solve -3*z + h + 1 = i for z.

Let h be 22/(-6) - ⁹⁄₂₇. Let t(y) = y + 4. Let z be t(h). Let x be -1 + 4 + 1 + -2. Solve -2*c = -z - x for c.

1

Let u(o) = -o + 4. Let g be u(2). Let t = -11 + 15. Suppose -t*l = z + l - 18, -5*l + 9 = -2*z. Solve z = h - g*h for h.

-3

Suppose 4*p + 2*p = p. Solve p*r = -r + 3 for r.

3

Suppose -3*o + 10 = -x, -2*x + 2 = -3*x + o. Solve k = x*k for k.

0

Suppose 37 = 5*f + 2*q, -4*f - q + 36 = f. Let c = -3 + f. Let n(h) = h3 + 4*h2 + 2. Let g be n(-4). Solve -c*s = -g*s - 8 for s.

4

Suppose -5*g - 40 = -10*g. Solve 5*t + g = -12 for t.

-4

Suppose 5*b - 25 = -h + 5, 3*b - 5 = 2*h. Suppose 3*s - 44 - 24 = -b*q, 0 = 4*s - 4. Solve 4*x = 5 - q for x.

-2

Let w(y) be the second derivative of -y⁵⁄₂₀ - y⁴⁄₂ - 7*y³⁄₆ + y2 + 2*y. Let l be w(-5). Solve 0 = 3*i - 7*i + l for i.

3

Suppose f + 9 + 2 = 4*m, 2*m - 3*f = 13. Solve -m*w - 8 + 2 = 0 for w.

-3

Suppose -c = -1, -c = 5*i - 75 - 6. Suppose -l = -4*p - p + i, 0 = 4*l + p - 20. Solve -2*t = l + 4 for t.

-4