Let n = -15 - -19. Let b = -5 - -8. Solve z = -b*z + n for z.

1

Let b(g) be the second derivative of g3⁄6 - g2⁄2 + 2*g. Let l be b(3). Let f be l/(-10) - (-2)/10. Solve f = -y - 0*y - 4 for y.

-4

Suppose -2*c + 5*g + 3 = -2, 0 = 2*c + 5*g + 5. Solve c*d = 4*d - 4 for d.

1

Suppose 0*h + 20 = 4*h, -4*a + 48 = 4*h. Suppose 4*i + 6 = 3*m, -5*i - 3 + a = 2*m. Solve 0*p = p - m for p.

2

Suppose -3*o - 2*k + 19 = 0, 16 = 2*o - 5*o + 5*k. Suppose 5*q - 3 = 2*q - 4*z, 0 = -q - o*z - 4. Solve -q*l + 0*l - 25 = 0 for l.

-5

Let s = 11 - 9. Solve -5*o + s*o = -9 for o.

3

Let a(t) = t2 - 9*t + 14. Let x be a(7). Let z(u) = -u2 + 9*u - 10. Let r be z(7). Suppose r*h - 63 = -v, x*h = -2*h + v + 27. Solve 5*i = 2*i - h for i.

-5

Suppose 3*j + 0*j = 18. Let g(v) = -v3 - 4*v2 + 5*v. Let s be g(-5). Solve -j*x + 3*x = s for x.

0

Let f = 3 - 2. Let o be (-21)/(-9) + 1/(-3). Suppose o*k - 10 - 8 = 0. Solve -4*j = k - f for j.

-2

Let c = 56 + -47. Suppose 4*d - 1 = 5*y + 4, -5*d - 3*y = 3. Solve -3*s + d = c for s.

-3