Suppose -30 = -2*p - 8*p. Solve -p*w - w - 12 = 0 for w.

-3

Let c(h) be the second derivative of h5⁄20 + 3*h4⁄4 + 4*h3⁄3 + 3*h2⁄2 - 2*h. Let n be c(-8). Suppose n*g = 4*g. Solve 4*a + 2 + 18 = g for a.

-5

Let s(t) = t2 + 4*t + t2 - t - 3. Let g be s(-3). Let p = 11 - 9. Solve p = 2*z - g for z.

4

Suppose 5*u + 20 = 5*x, 5*x = 9 + 11. Solve 0*y + 2*y = u for y.

0

Let s(y) = -y3 - 5*y2 + 6*y + 6. Let q be s(-6). Let t be q/(-2) + 3*6. Solve 4*h + h = t for h.

3

Suppose 137 = -4*q - 31. Let x be (-12)/q + 2/(-7). Solve -s + 8 - 3 = x for s.

5

Suppose -3*m + 2 = 4*o, 3*m + 4*o - 7 = -o. Let v = 11 + m. Let a = 6 - v. Solve 0 = -4*r + 9 - a for r.

2

Let b be 20/(-90) - (-76)/18. Suppose -i = -4*r - 0*r + 8, 2*i = -b*r + 20. Suppose 0*w = w - 5. Solve 8 = -r*x + w*x for x.

4

Let c(h) = 81*h - 15. Let g(k) = -5*k + 1. Let j(q) = -2*c(q) - 33*g(q). Let u be j(2). Solve 3 = -u*w - 0 for w.

-1

Suppose -5*f - 3*i - 3 = -16, f - i - 9 = 0. Suppose -5*k + 10 = -5*x - 10, -13 = 2*k + f*x. Solve 0 = q - k - 1 for q.

2