Suppose -5*z + 15 = h, 5*z - 4*h - 15 = -0*h. Suppose 5*g = -3*o + z*g, -2*o - 4*g - 8 = 0. Solve 0 = 4*m - o*m for m.

0

Suppose 5*s = -0*s - 20. Let y be (7/s)/(5/(-20)). Solve 2*f = 15 - y for f.

4

Suppose 3*n + 4 - 7 = 0. Solve -2 = 3*k + n for k.

-1

Suppose 4*m = -5 + 13. Solve b = -m*b + 15 for b.

5

Let c(y) be the second derivative of -y3⁄2 + 5*y2⁄2 + 3*y. Let f be c(-5). Solve -3*i - 2*i - f = 0 for i.

-4

Let a be ((-40)/28)/(3/(-21)). Solve -2*r - a = -4*r for r.

5

Suppose 0 = -z + 6*z - 10. Suppose z*d = 4*d - 8. Solve 16 = -0*v - d*v for v.

-4

Suppose -32 = -5*s - i, 2*s + 0*i = -2*i + 8. Let a(l) = -l3 + 3*l2 + 2*l - 3. Let n be a(3). Let r = s - n. Solve 2*u + r = -0*u for u.

-2

Let u(s) = 1 + 5*s - s3 - 3 + s - 6*s2. Let v be u(-7). Solve 2*d + v = 7*d for d.

1

Suppose 0 = -4*b + g + 11, -5*b = 5*g - 0*g - 20. Let o(w) = w**2 - 3*w - 4. Let q be o(4). Solve q = -4*r + 5*r + b for r.

-3