Solve -4*w + 9 = y, -69*y + 67*y + 6 = 2*w for w.

2

Solve 4*t + 3*n - 27 = 0, -6*t + 8*t - 3*n + 9 = 0 for t.

3

Solve -f = 3*f - 2*t - 12, 3*f = -2*t + 23 for f.

5

Solve 5*u + w + 10 + 1 = 0, -2*w = -5*u - 23 for u.

-3

Solve 0 = -2*t - 2*m + 2, -m + 13 = 176*t - 178*t for t.

-4

Solve -3*y = -7*y + w - 15, 0 = -5*y + 5*w - 15 for y.

-4

Solve -1 = -j + 3*h, 5*h = -2*j + 4*h - 12 for j.

-5

Solve -3*l = 5*s - 22, -236*s + 234*s - 3*l + 7 = 0 for s.

5

Solve 0 = 4*i - 4*g - 36, -40 = -4*i - i + 4*g for i.

4

Solve -m + 5 = 5*w, -21*w + 2*m = -20*w - 12 for w.

2