Solve t + 9*a + 19 = 13*a, -28 = 4*t - 4*a for t.

-3

Solve s - 1 = -2*i + 2, -3*i + 5*s = 15 for i.

0

Solve 5*h + 2*c = -29, -4*h + 6*h = 5*c for h.

-5

Solve 4*j = c, 0*j - 21 = 5*c + j for c.

-4

Solve -y = -5*v + 8, -3*v - 6 = 3*y - 0 for y.

-3

Solve 2*i = 2*h, 5*i = 9*i - 3*h - 2 for i.

2

Solve 5*h - 3*t = h - 2, -3*t = -3*h for h.

-2

Solve 5*m = 4*c + 12, c + 4*m - 5*m + 3 = 0 for c.

-3

Solve -17 = 3*g + 6*v - 5*v, -2*g - 28 = 4*v for g.

-4

Solve 5*g + 10 = 2*a - 3, -9 = g - 2*a for g.

-1