Suppose x = -x + 10. Suppose -y = 2*y - 9. Suppose 6*s - 2*s - y*w = 12, 0 = 3*s + x*w - 9. Solve 5*k = s*k - 8 for k.

-4

Suppose -4*w - v = 19, -2*w + v = -0*w + 5. Let n© be the second derivative of c412 + c32 - c**22 + 2*c. Let f be n(w). Solve -16 = h + f*h for h.

-4

Let u(w) = -w + 15. Let v be u(12). Solve -o = v*o for o.

0

Let c(t) = -t**2 - 5*t - 2. Let b be c(-5). Let f be b/3 + 159. Solve -f = 3*z + 5 for z.

-2

Suppose 4*y - 15 = 2*y + 3*x, 0 = 4*x + 12. Suppose 0 = 4*l + l - 65. Suppose -5*a + 2 = -l. Solve 0 = y*w - 0*w - a for w.

1

Let z(k) = k2 - 6*k + 4. Let t(l) = 5*l2 - 31*l + 20. Let a(q) = -2*t(q) + 11*z(q). Let v be a(3). Let x be v/((-3 + 1)/(-12)). Solve 4*g + 6 = -x for g.

-3

Let d = 143 - 136. Solve 8 + d = 3*c for c.

5

Let j(x) = 4*x + 6. Suppose s - 12 = -t - 4, -2*t = -2*s - 4. Let n be j(t). Suppose -y - 5*o + n = 0, -3*y - o = o - 26. Solve -2 + y = -d for d.

-4

Suppose -21 = -26*x + 19*x. Solve -2*n + 10 = x*n for n.

2

Let t be 12 - 105/(-6). Let z be ((-6)/t)/((-1)/(-3)). Let y be (1/(-2)*0)/z. Solve y = 3*q - 0*q - 15 for q.

5