Let b be 185⁄30 - (-2)/(-12). Let c be b - 4 - (1 + -3). Solve k + c = -k for k.

-2

Let z(l) = -l3 + 19*l2 + 43*l - 9. Let u be z(21). Solve -u = -r + 5*r for r.

-3

Suppose m - 2 = 0, 10*m - 14 = -2*p + 8*m. Solve p*y - y + 12 = 0 for y.

-3

Let b© = 2*c + 11. Let o be b(-5). Solve -4*h + 13 = o for h.

3

Let f(i) = -i**2 - 6*i. Let d be f(-6). Solve -3*g - 3 = -d for g.

-1

Let g = 20 + -18. Suppose -4*h + g*c + 83 = 17, -c - 50 = -3*h. Solve 2 - h = 3*y for y.

-5

Suppose -4*f = f - 50. Suppose 0 = 5*u - f*u + 5*y + 70, -3*u + 40 = -2*y. Solve 5*r = -u + 2 for r.

-2

Suppose g = 2*q + 15, -54 = 3*g - 6*g - 3*q. Let y(s) be the first derivative of -s3⁄3 - 7*s2 - 9*s - 1. Let o be y(-13). Solve 1 = -o*d + g for d.

4

Let m(t) = t**2 - 10*t + 2. Suppose x + 3 - 13 = 0. Let c be m(x). Solve c*g = -0*g for g.

0

Let r be (-3)/((-2)/(-4)*-2). Suppose 4*d - b = 0, 5*d + b = -r*b. Suppose d*n - n = -3. Solve -n*l + 8 - 2 = 0 for l.

2