Solve 0 = 4*d - 12, 14 = -5*f + 3*d + 15 for f.

2

Solve -25 = -5*i + 5*y, -4*i = 4*y - 5*y - 17 for i.

4

Solve -r = 11*z - 7*z + 8, -4*z - 8 = 3*r for z.

-2

Solve 3*o + 26*s - 31*s - 16 = 0, 5*s = -3*o - 4 for o.

2

Solve 45 = 5*s - 13*x, 33*x - 32*x + 9 = -s for s.

-4

Solve 4*y - 5 = -g - 0*g, 5*g + 5*y + 5 = 0 for g.

-3

Solve -3*b - 2 = -4*t, -2*b - 2 = -b - 2*t for b.

2

Solve 17*h - 22*h + 23 = c, 0 = -2*c + 2*h - 14 for c.

-2

Solve 0*j - 2*j - 6 = 0, j = -3*n - 15 for n.

-4

Solve -i = -2*c + 13 - 3, -10 = -2*c - 2*i for c.

5