Solve 45*g = 3*r + 50*g + 7, -3*g = -3*r - 15 for r.

-4

Solve 4*x + 20*c = 22*c + 38, 2*x - 3*c = 21 for x.

9

Solve -2*v - r = 0, 0 = 3*v - 0*v + 5*r for v.

0

Solve s = 4*d + 27, 37*s = 4*d + 42*s + 33 for d.

-7

Solve 15 = -3*f - 5*s, 28*s - 25*s + 9 = 3*f for f.

0

Solve -3*a = 2*c - 20, -4*a - 7*c + 12 = -8*c for a.

4

Solve 2*n - 32 = -4*j - 3*n, 2*n = 8 for j.

3

Solve -2*l + 2*u + 8 = 0, -3*l - 46 + 18 = 5*u for l.

-1

Solve -4*r + 3*s = -7*r - 21, s - 11 = 5*r for r.

-3

Solve 468*r = 469*r + 5*t + 24, 0 = -r - t - 8 for r.

-4