Solve r + 4*b = 11, 2*r + 7 = 4*b - 7 for r.

-1

Solve 2*g = 5*t, 0 = 2*g + 3*t + 2*t + 20 for g.

-5

Solve 1 = 4*i - 5*k, -i = -2*i - 5*k - 6 for i.

-1

Solve 4 = 2*b - 4*o + 28, 5*o - 25 = 0 for b.

-2

Solve -u - 14 = -c - 6*u, 0 = 3*u - 12 for c.

-6

Solve 0 = 2*a - 18*c + 20*c + 2, 1 = 3*a - c for a.

0

Solve -o + 2*k = 5*k + 11, 40 = 5*o - 4*k for o.

4

Solve -2*h - 5*l = 5, -4*h - 62*l + 57*l = 15 for h.

-5

Solve -3*j - 243 = -x - 228, -j = 5*x + 5 for j.

-5

Solve 4*j = 2*j - 4*p + 8, 5*p - 7 = -4*j for j.

-2