Solve -5*s - 5*i + 30 = 0, -2*s - 5*i + 16 + 8 = 0 for s.

2

Solve -2*o - 4*w = -8, -138*w + 134*w + 36 = -5*o for o.

-4

Solve 0 = 4*d - d + 3*z - 12, -z = -3 for d.

1

Solve 15 = -3*h + 5*v, -4*h = 7*v - 11*v + 12 for h.

0

Solve -4*b - 1 = -2*v - 13, -v = -4*b + 16 for b.

5

Solve 5*a - 2*t - 10 = 0, 19*a - 23*a = -4*t + 4 for a.

4

Solve 25 = -2*a + 5*l, 2*l = 4*a - 2*a + 10 for a.

0

Solve b = x + 2, 3*b - 40*x + 43*x - 12 = 0 for b.

3

Solve -5 = g, -4*n + 7 = g + 12 for n.

0

Solve -4*x = -2*j - 20, 2*x + 4*j - 33 + 3 = 0 for x.

7