Solve -j = 1, -2*a + 2*j = -6*a + 6 for a.

2

Solve -1 = 2*h + 5*x, -3*h + 5*h + 4*x + 2 = 0 for h.

-3

Solve -o + 3 = 0, 0*w + o - 2 = w for w.

1

Solve -o + 4*i + 14 = 0, -4*o + 4*i + 0*i = -20 for o.

2

Solve 5*s - 5 = 4*x, 3*s + 3*x - 9 + 6 = 0 for s.

1

Solve -5*h + 0 = r - 2, -h = -r - 4 for h.

1

Solve -7*i = -5*i - 8, 2*i = -5*a + 13 for a.

1

Solve 3*p + 17 = 4*d, 4*d - 3*p = -p + 18 for d.

5

Solve -2*t + 10 = -4*m + 5*m, 10 = -2*t + 4*m for t.

3

Solve 0 = -2*t - 5 + 17, -3*k - 5*t = -15 for k.

-5