Suppose 3*z - 2*z = 13. Let x = -9 + z. Solve 1 = x*r + 5 for r.

-1

Let v be (-2)/(-7) + 0 + 76856. Solve v + 6 = 4*r for r.

5

Suppose -4*n = -21*n + 68. Solve -3*b - n = -b for b.

-2

Let w = -1 + 3. Suppose -23 = -z + 4*o, -7 = 2*z - 6*z - o. Let j = z - -3. Solve 8 = -w*a + j*a for a.

2

Let h be 8*(1 - 12). Let w = -1 + h. Solve -7 = -2*s + w for s.

5

Let b(a) = a + 2. Let o be b(2). Suppose 2 = -2*q, o*s + 4 = -4q + 16. Let c be 4/((-12)/33)-1. Solve -c - 5 = s*t for t.

-4

Suppose 0 = 4*w - 3*g - 42, 4*w + 1 = -4*g + 29. Solve -w = -d + 4*d for d.

-3

Suppose -6*l = -23 - 7. Solve 0 = y - 0*y + l for y.

-5

Let r = -61 - -81. Solve -r = -0*z + 4*z for z.

-5

Let v(f) be the second derivative of -f36 + 2*f2 + 3*f. Let y be v(0). Solve -y*d = -0*d for d.

0