Solve -3*h = 4*n - 12, 142*h - 3 = 141*h - n for h.

0

Solve 4*s = 5*i - 10 - 9, 2 = s + i for s.

-1

Solve 3*n + 2*c = -7 + 20, -5*n = 2*c - 15 for n.

1

Solve -2*r + 8 = -5*r - 4*v, -v = -3*r + 17 for r.

4

Solve 5*p + 4*y - 2*y - 4 = 0, 3*y - 6 = 5*p for p.

0

Solve 0 = 5*t + 25, 0*t - 4 = -2*c + 2*t for c.

-3

Solve 0 = -4*m + 4*s - 7*s - 7, -15 = -5*m + s for m.

2

Solve 3*u - 1 = -y, -4*u + y = -3*u + 1 for u.

0

Solve -3*n - 18 = 3*s + 6, -3*n - 3 = -4*s for s.

-3

Solve o = k - 2, 3*o - 7*o + 7 = k for o.

1