Let z be (72/(-20))/((-6)/15). Solve -2*d + z = d for d.

3

Let x(w) = w**2 - 4*w. Let g be x(4). Solve -n + 0*n = g for n.

0

Let b = 0 - 0. Let p = 5 - -17. Suppose b = -4*h - 2*l + 8 + p, -4*h + 21 = -l. Solve -2*m = -h*m for m.

0

Suppose -2*m - 2*b + 13 = -5, -5*m + 2*b = -17. Suppose -5*p - 2 = 3*w + 11, -5*w - 5*p = m. Solve 3*t - w = 4*t for t.

-4

Let h = -4 + 9. Suppose -3 - h = -k. Solve -2*s = 2*s + k for s.

-2

Suppose -q + 2 = 0, 4*t - 5*q + 16 = 5*t. Suppose 0 = -4*p, 5*n = 7*n - 5*p - 8. Let i be (-8)/(-5) + (-2)/(-5). Solve i*s + n + t = 0 for s.

-5

Let o(m) = -m2 + 15*m + 5. Let f(q) = q2 - 14*q - 4. Let h(t) = -3*f(t) - 2*o(t). Let y be h(12). Solve y*w = w for w.

0

Let r(n) = -n**2 + 9*n - 5. Suppose -40 = -6*d + d. Let a be r(d). Solve 0*o = -3*o + a for o.

1

Suppose -10 = -3b + 5. Let k be (-1)/8-4*-32. Let i = k - -16. Solve i*f + 25 = -b*f for f.

-5

Let s(v) = v3 - 6*v2 - v + 4. Let q be s(6). Let o be 4 + 2 + (q - 1). Solve -2*d + o = 7 for d.

-2