Solve -2*a - 3 = -t, 3*t + 5*a = t - 21 for t.

-3

Solve -4*t = r + 10 - 1, -22 = 2*t + 4*r for t.

-1

Solve -4*f - i = -6*f - 5, 5*i = -4*f + 11 for f.

-1

Solve -4*h + b - 45 = -46, b = 5*h for h.

-1

Solve -2*r + 3*m = r - 18, 5*r + 4*m - 12 = 0 for r.

4

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

-2

Solve -3*p + 10 = 2*y, 32*p + 5*y = 30*p + 25 for p.

0

Solve 2*u + 8 = 4*c, 25*u - 21*u = -c + 20 for u.

4

Solve 5*o + i = -24, 4*o + 3*i + 12 = o for o.

-5

Solve -2*g - 22 = -4*y, -y - 8*g = -9*g - 6 for y.

5