Solve -15*r + 9*r - 12 = -r - 4*n, 0 = -r - 3*n + 9 for r.

0

Solve -10*x + 111*y - 136*y - 15 = 0, -3*x + 3*y = -27 for x.

6

Solve -30868 = 5*k - 3*c - 30822, -c - 13 = 4*k for k.

-5

Solve -36*t + 2*n + 1370 = 0, -24 = -2*t - n + 51 for t.

38

Solve 2*x + 5*z + 4 = 0, x + 194*z + 2 = -215*z + 405*z for x.

-2

Solve 29*l - 1109 = -5*p - 1206, 0 = -p - 2 for l.

-3

Solve 1 = -w - 4*j - 2, 0 = 5*w - 6*j + 84 - 69 for w.

-3

Solve 4*g + 2 = 2*d, -3*d = -1718 + 1739 for g.

-4

Solve -5*s = 3*m - 50, -3086*m - s = -3090*m + 36 for m.

10

Solve 4*r + 96 = 4*c, -752*c - 434 = -3*r - 772*c for r.

-2