Solve 2*t - 8 = -r, 13*t - 11*t - 5*r = -4 for t.

3

Solve -5*b + 5 = -p, -5*b + p - 5 = 2*p for b.

0

Solve 39*w - 1 = 34*w + 4*k, 5 = w + 4*k for w.

1

Solve 5*a + 4*i + 34 = 0, -9 = 2*a + 16*i - 19*i for a.

-6

Solve 18*f = 17*f + 3*w - 27, 0 = -f - w + 9 for f.

0

Solve 0 = y - 3*z + 6*z + 15, z = -4 for y.

-3

Solve -7*i = -3*i, 2*i + i = -g + 1 for g.

1

Solve 4*g = u - 0 + 1, 4*u - 3*g + 4 = 0 for u.

-1

Solve -2*a + 5*g - 15 - 7 = 0, 3*g = -3*a + 9 for a.

-1

Solve -2*h - c + 15 - 20 = 0, 0 = 3*c + 9 for h.

-1