Solve -7*z - 5*s = -8*z + 30, 5*z - 3*s = 40 for z.

5

Solve t = -1, 3*t + 11 = -3*h + t for h.

-3

Solve 5*a + 5*r = 35, -2*a - 7*r + 154 = 115 for a.

2

Solve 3*g = -o - 7, g - 10*o + 14*o - 16 = 0 for g.

-4

Solve -4*c = -5*z - 12, 0*z + 6 = 3*c - 3*z for c.

-2

Solve -5*v - 7 = 18, d - 19 = 4*v for d.

-1

Solve 0 = -4*u + 4*v - 10 - 10, 4*v - 6 = -3*u for u.

-2

Solve 3*i - 2 = -2*s, 3*i - 14*s + 18 = -11*s for i.

-2

Solve -3*v - 5*r - 1 = 0, -3*r + 19 = -5*v + 6 for v.

-2

Solve 0 = -2*u - 107*d + 102*d - 19, u - 5*d = 13 for u.

-2