Let i = -40 - -72. Suppose 0 = 3*l + 6, 5*u + 3*l - i = 4*l. Solve 9 = -5*o - u for o.

-3

Suppose -5*t + 5 = c, c + 1 = 6. Suppose -4*x = -x. Let k = t + x. Solve 3*w - 2*w + 1 = k for w.

-1

Let d(f) = -f + 1. Let v(w) be the second derivative of -w3⁄6 + 2*w2 + w. Let i be v(3). Let r be d(i). Solve -h + r = -1 for h.

1

Let z be (-8)/(-12) - 13/(-3). Solve m = z - 1 for m.

4

Let h = -18 + 19. Let j be 0(h + (-1)/2). Let i be 4(-1 - -1 - -1). Solve j*l + 8 = i*l for l.

2

Suppose 53 = 5*k - 4*z, -14 = -2*k - 2*z - 0*z. Let n = k - 5. Suppose u - 3*u = h - 13, 20 = n*u. Solve 6 + h = -3*b for b.

-3

Let c be 5 + -3 - (2 - 1). Let y = 5 - c. Solve -5*n = -y*n - 2 for n.

2

Let q be 2 + -6 + 7*(-4)/(-7). Suppose 3*o - 9 - 3 = 2*h, h = -3. Suppose -3*f + v + 14 = 0, 4*f - 10 = 2*f + v. Solve q = -l + o*l - f for l.

4

Let v be 2 + (-5 + 2 - -5). Solve y = 3*y - v for y.

2

Let c = -17 - -11. Let g be (-1)/2*c + 0. Solve 9 = -g*z - 0 for z.

-3