Let z(a) be the second derivative of a**3/3 - a**2 + 4*a. Let w be z(4). Solve -x - 20 = -w*x for x.

Suppose -8*k + 16 = -4*k. Solve c - 1 = -k for c.

-3

Let i© be the third derivative of -c⁵⁄₆₀ - c⁴⁄₃ - 5*c³⁄₆ + 2*c2. Suppose -t - 5 = -2*o - 23, -3*o - 29 = -2*t. Let m be i(o). Solve m = p - 0*p for p.

2

Let u be (-126)/(-6)*(-1 - -2). Suppose -5*x - 6 = -3*j - 2*x, 3*j + 2*x - u = 0. Solve -j*f + f + 12 = 0 for f.

3

Let w = -1 - -26. Solve 0 = -y + 6*y - w for y.

5

Let y® = r - 5. Let q be y(10). Let x(j) = j + 4. Let t be x(-4). Solve t = 4*k - 1 + q for k.

-1

Let a be ⁸⁄₁₂*(-84)/(-8). Solve 1 = -4*l - a for l.

-2

Let m = -11 - -14. Solve 0 = -4*h - 1 - m for h.

-1

Suppose 5*z - 18 = -2*t + 4, 4*z - t = 28. Let i = z - -3. Suppose -2*r - 3 = -i. Solve 2 = -r*w + 5*w for w.

1

Let s(a) = a + 5. Let m be s(-1). Solve -3*x = x + m for x.

-1

Let x be ¹⁰⁰⁄₈ - (-6)/(-4). Let j = x - 5. Solve j = -3*c - 6 for c.

-4