Let h(k) = 2*k3 + 19*k2 + 7*k - 13. Let a be h(-9). Solve w - 2*w = -a for w.

5

Let c = 107 + -112. Let z(i) = -2*i**2 + i + 1. Let d be z(2). Let s = d - c. Solve 0 = -5*v - s*v for v.

0

Let a(m) be the second derivative of m560 + m412 + m33 + m2 - 3*m. Let d(j) be the first derivative of a(j). Let k be d(-2). Solve s = -k*s for s.

0

Let v = -7 - -11. Solve 0 = v*f + f for f.

0

Suppose -4*j - p + 12 = 0, -4 = -0*j - 5*j - 4*p. Let c = 7 - j. Solve c*n = n - 6 for n.

-3

Let u = -74 + 74. Solve 4*j + 20 = -u*j for j.

-5

Let i(g) = -g3 + 9*g2 + 37*g + 6. Let y be i(12). Solve -4*t = y + 2 for t.

-5

Suppose 3*u + u = u. Suppose 0 = 5*q + 2*n - 25, 3*n = -q - 3 - 5. Solve -2*g - 1 + q = u for g.

3

Suppose 0 = 2*w - 2*f + 26, -3*w - 12 = -f + 17. Let a = -2 - w. Solve -a*n + 12 = -3*n for n.

4

Let f(u) = u**2 + 4*u - 11. Let i be f(-6). Solve 3 + i = -2*j for j.

-2