Suppose 0 = -3*n + 13 + 2. Solve 0 = 2*l - 15 + n for l.

5

Let v(q) = q3 + 11*q2 - q - 11. Let h be v(-11). Solve -x + 4 + 0 = h for x.

4

Let z = -6 + 4. Let c(b) = b + 2. Let g be c(z). Suppose -4*r + 10 + 10 = g. Solve r*h = 2*h + 6 for h.

2

Let w be (-20)/(-50) - 123/(-5). Suppose -3*s - s = 3*z - 20, 0 = -5*z - 5*s + w. Solve z = 5*n - 12 - 13 for n.

5

Suppose 0*n - 2*n + 5*h = -5, 0 = 3*n - 3*h - 12. Solve -4*t - t = n for t.

-1

Let a be (-20)/(-12) + 35/(-21). Let r = -2 - -4. Solve a = r*c - 3*c for c.

0

Let v(q) = -q3 + 3*q2 + 2. Let w be v(3). Let a(h) = -2*h - 13. Let r be a(-8). Let z be (-130)/(-40) - r/(-4). Solve 0 = z*d - w + 14 for d.

-3

Let y(f) = f**2 + f - 2. Let d be y(-4). Solve d = s + s for s.

5

Let n be (-24)/(-9) - (-5)/15. Suppose -2*r = n*r. Solve 5*y = -r*y - 15 for y.

-3

Let m(x) be the second derivative of x4⁄12 - 3*x2⁄2 + 7*x. Let z be (1 + 0)/(3/(-9)). Let a be m(z). Solve -u = u - a for u.

3