Let f be (3 + (-21)/6)*-20. Suppose -f = -c + 4. Solve 4*r - c - 2 = 0 for r.

Let t = 9 - 4. Suppose 3*l + 4*i = 24, -l + 5*i = 2*l + 3. Let n = t - l. Solve 5*c + n = -4 for c.

-1

Let u be (-1 - (0 + -1))/(-1). Let r(y) be the third derivative of y⁵⁄₆₀ - 5*y⁴⁄₂₄ + y3 + 3*y2. Let j be r(4). Solve u = -x - j - 2 for x.

-4

Let p be 10/(-25) - 4/(-10). Suppose p*z + 15 = z. Solve 0 = 4*h + h + z for h.

-3

Let b(k) = -4 + 2*k + 5 - k2 + 2*k2. Let s be b(-2). Suppose -5*m + 14 = -1. Solve -2*p - s = -m*p for p.

1

Let q be (0*2/(-6))/2. Solve q = -5*y + 2*y + 9 for y.

3

Let b = 5 - -2. Let d = -3 + 9. Let n be 1(-10)/4-2. Solve b*s - d = n*s for s.

3

Let k = -3 + 3. Suppose k = 2*w + 2*p, 4*p = 7*p. Suppose n = -w*n + 3. Solve -n*h = -h for h.

0

Suppose 5*j - 15 = 5*x, -5*j + 4*x + 21 = 4. Let h = 41 - 28. Solve 4*y = h - j for y.

2

Suppose -2*u - 3*p = -3, 2*p = 7*u - 3*u - 30. Solve 9 = 3*a - u for a.

5

Let z = 7 - 3. Suppose -z*h = -h. Solve 5*y + 12 + 3 = h for y.

-3