Let t = -18 - -21. Suppose -f = -t*f. Solve -7*y + 2*y - 20 = f for y.

-4

Let x(l) be the third derivative of -l5⁄30 + l4⁄4 + l3⁄2 - 3*l2. Let z be x(3). Solve -5*r + z*r = -8 for r.

4

Let k = -3 + 6. Let h be (k - 1)3/(-2). Let s be h/1(-4)/3. Solve -b + 5 = s for b.

1

Let q = 10 - 8. Solve 10 = 4*o - q*o for o.

5

Let b be 25⁄3 + (-8)/(-12). Suppose -b = -2*t - 3. Solve 2*c + c = t for c.

1

Let z be (6/(-9))/((-4)/6). Let g be (-42)/12*z*2. Let m(t) = t**2 + 7*t + 3. Let q be m(g). Solve 0*i = q*i for i.

0

Let o be 8⁄36 + (-4)/18. Suppose 4*t + 2 - 10 = 0. Suppose -t*q + 0*q + 6 = 0. Solve o = j - q for j.

3

Suppose 7*h = 4*h + 18. Let y be (-4)/(-4) - (-1 - h). Solve 5*v = v + y for v.

2

Let d(s) = s3 + 2*s2 - 13*s - 1. Let c be d(-4). Solve 0 = 5*p + c - 4 for p.

-3

Let j(a) = -a3 + 14*a2 - a + 18. Let o be j(14). Solve -2 = -o*g - 18 for g.

-4