Let q(k) be the first derivative of -k**2⁄2 - 2*k - 2. Let x be q(-2). Suppose -4*r = 3*y + 9, 2*y + 6 = -x*r - 2*r. Solve r = -0*s - 5*s + 15 for s.

3

Suppose 15 = 8*x - 1. Solve 6*l = 5*l - x for l.

-2

Let b be 2⁄8 + 35⁄20. Suppose 3 = -b*d - 5, d = -5*o - 9. Let f = 1 + o. Solve -3*s - 2 + 17 = f for s.

5

Let o be (-3)/((-60)/25)*(6 + -2). Solve -5*k - 10 - o = 0 for k.

-3

Let a(v) = -v**2 + 8*v - 6. Let s be ((-1)/(-1))/((-3)/(-18)). Let f be a(s). Solve -5*r - 9 = f for r.

-3

Suppose -32 = -3*g - 3*z - 11, 0 = -4*g + 4*z - 12. Solve u + 15 = -g*u for u.

-5

Let v© = 7*c - 11. Let y be v(8). Suppose 4*q = 5*l + y, 3*l + 44 = 4*q - l. Solve 3*d - 5*d + q = 0 for d.

5

Let d = 16 - 12. Solve d*m + m - 20 = 0 for m.

4

Let w be 10/(-40) - (-99)/12. Solve 12*y = 14*y + w for y.

-4

Let c = 36 + -21. Suppose 7*y - c = 2*y. Suppose -n + 0*i = i - 9, -5*i = -y*n + 3. Solve 2*z = 4 + n for z.

5