Solve 5*a - 5*r + 20 = 0, 4*a - 2*r + 16 = -0*r for a.

-4

Solve -4*z + 22 = 5*g, 3*z - 15 = -2*g - g for z.

3

Solve -4*i = 4*p, -3*i + 10 = -0*p + 5*p for p.

5

Solve 4*p - 8*k = -11*k - 22, 4*k = 2*p for p.

-4

Solve 9*z - 8*z = 2*n + 9, -7 = z + 2*n for z.

1

Solve -77*o + t - 21 = -72*o, 0 = 5*o - 3*t + 13 for o.

-5

Solve -5*a = 4*o - 12, -13*o + 2*a + 12 = -9*o for o.

3

Solve -24*z = 2*t - 22*z - 8, t = -5*z + 20 for t.

0

Solve -4*a - 11 = 2*i + i, 0 = 5*a + 2*i + 12 for a.

-2

Solve o + 3*i = 16, -3*o - 6*i = -2*i - 28 for o.

4