Let b = 19 + -9. Solve 4*r = 2*r + b for r.

5

Suppose 0 = -f + 1, 0 = 2*c + c - 2*f - 7. Suppose 5*y = c*y. Let s be 1/((-2)/(-4) - y). Solve 0 = 3*i + s*i - 5 for i.

1

Let p = 5 + -5. Suppose -2*u + p*u = 0. Solve u = -y + 3*y + 6 for y.

-3

Let c be 4 + -1 + 2⁄1. Solve 7 + 3 = c*a for a.

2

Let w be (0 + 0)*1 + 5. Let f = -21 + 33. Suppose b + f = 3*j + 1, 3*b - 3 = 0. Solve 0 = j*v - w*v + 4 for v.

4

Suppose -16 = 4*k, 0 = -j - j - 2*k - 6. Solve -3*d = -7 + j for d.

2

Let k(m) = m3 - 8*m2 - 19*m - 9. Let a be k(10). Solve 0 = r - 5 + a for r.

4

Suppose -4*t - t = -5. Let l be (-1)/((t/(-7))/1). Solve -5*s - 22 = -l for s.

-3

Suppose 34 = -2*w - 4*c + 4, -84 = 5*w + c. Let v = w + 20. Solve -v*m = -2*m - 4 for m.

4

Suppose -4*b + 12 = 3*k, 4*k = -b - 0*b + 16. Suppose 0*v = v + 3*v. Solve v*p - p = b for p.

0