Suppose 2*u - 18 = -4*r, -4*r - 3*u + 21 = -r. Solve -2*k + 20 = r*k for k.

5

Let r be 5*(0 - (-2 - -1)). Solve -y = -r*y for y.

0

Let d(i) = i + 12. Let l be d(-12). Solve -2*m + 4*m - 6 = l for m.

3

Let z be (2/(-2))/((-2)/8). Suppose 2 = z*b - 3*b. Let m(p) = -p - 1. Let n be m(-1). Solve b*g + 2 = -n*g for g.

-1

Suppose 4*d + 3*n - 58 = 0, 2*d + 2*d - n = 66. Let v = 20 - d. Solve -3*u = -2 - v for u.

2

Suppose 0 = -5*c - 24 + 4, 0 = 5*y + 4*c + 6. Let q be 24610 - (-4)/10. Solve -3*i + q = y*i for i.

5

Suppose -3*x = -p + 1, -5*x + 10 = 2*p - 3. Solve -w - p*w - 25 = 0 for w.

-5

Let c(y) = -5*y3 + 7*y2 - 9*y + 7. Let l(v) = -14*v3 + 21*v2 - 26*v + 20. Let n(p) = -11*c(p) + 4*l(p). Let w be n(6). Solve 4*d - d = w for d.

3

Suppose -3*v + 5*g = 19, -v + 27 = -0*v + 5*g. Solve -s = v*s for s.

0

Let u be 83 - (2 - (-7)/(-3)). Solve 3*x - u = 3 for x.

2