Let f(j) = j**3 - 21*j**2 + 20*j + 2. Let x be f(20). Solve w - x = -w for w.

Let m be -1 + (0/(-1))/1 + 2. Solve m - 21 = -5*r for r.

4

Suppose 0 = -5*n - 15, 4*a = -3*n + 8*n + 23. Solve -a*h + 3*h - 4 = 0 for h.

4

Suppose 2*m = -m - 3*d - 15, -4 = d. Let z be (5 - 3)*m - -2. Solve -5*g + 7 + 8 = z for g.

3

Let z = 8 - 8. Solve v - 6*v = z for v.

0

Let f = 17 - 13. Let d® = r - 1. Let o be d(1). Suppose -f = -2*m - o. Solve 8 = -m*v - 2 for v.

-5

Let i(b) = -b + 2. Let w be i(2). Let r be ³⁰⁄₄*(-12)/(-15). Let o(p) = -p + 14. Let f be o®. Solve w = -j + 3*j - f for j.

4

Let z(y) be the first derivative of -y³⁄₃ - 3*y²⁄₂ + 2*y + 4. Let i be z(-3). Solve 0 = -i*g - 4 + 6 for g.

1

Let t be (-5 + (6 - 0))/((-2)/(-12)). Solve -t = 4*z - z for z.

-2

Let v© = 7*c - 2. Let i be v(-1). Let u = i + 17. Solve -u*h = -3*h + 10 for h.

-2

Suppose 0 = 4*t - 8. Solve -5*c = -t*c + 6 for c.

-2