Solve 0 = 5*r - 2*m + 21, -2*m = 3*r + 4 - 1 for r.

-3

Solve 3*h - 9*n = -7*n - 3, 0 = 3*h + 2*n - 9 for h.

1

Solve -4*c + 33 = 3*r, 0 = -2*r + 23*c - 22*c for r.

3

Solve -2*a - v = 8, 336*a + 2*v = 339*a - 2 for a.

-2

Solve 0 = -4*r + 2*a + 14, -2*a + 1 + 1 = 0 for r.

4

Solve -n - 4 = 4*f - 11, 4*n = 4*f - 12 for f.

2

Solve 9 = 3*h + 9*t - 7*t, -5*t + 17 = 2*h for h.

1

Solve -i = 5, -v = 3*i + 120 - 100 for v.

-5

Solve -2*f + f = 5*g - 17, f = -2*g + 5 for g.

4

Solve -3*m - 6 = 0, 3*m = l - 7 + 3 for l.

-2