Let w(z) = z - 20. Let d be w(20). Solve d = u - 0*u for u.

Let y = -11 - -13. Let d be 1-2(-1)/y. Solve -u - d + 4 = 0 for u.

3

Let l(z) = z + 7. Let b be l(5). Suppose x - 3 = -w, 4*w - b = x + 15. Let v be 1/(1 - 4/w). Solve -n - 8 = -v*n for n.

4

Suppose 2*b = 4 + 4. Suppose -b*a - 3*v + 5*v = -2, 8 = a + v. Solve -k = -a*k - 8 for k.

-4

Suppose 0 = 2*o - 0*o. Let z(u) = o*u2 - u3 + 5*u - 3*u2 + 6*u2. Let l be z(4). Solve -7 = -l*f - 3 for f.

1

Let v = -24 - -39. Solve -2*o - o = v for o.

-5

Let x = -18 + 21. Solve x*b = 4*b - 1 for b.

1

Let k be -2 - -1 - (-2 - 4). Suppose -2*h + 45 = 2*h - k*j, 10 = -3*h - 5*j. Let c be 1/(-5) + (-56)/(-5). Solve -h*b - c = 4 for b.

-3

Let b be 0 + 5 + -2 + -14. Let p(n) = n + 13. Let w be p(b). Solve -w*a = -4*a - 2 for a.

-1

Let o = 0 + 0. Suppose -2*g + 0*g + 36 = 4*c, -2*g = 3*c - 28. Let j = c - 8. Solve o = -r - j*r - 1 for r.

-1

Let x be 2(-9)/15(-5)/3. Solve -x*p = -4*p for p.

0