Solve 5*x + 30 = 5*a, 3*x + 7 + 12 = 4*a for a.

1

Solve 15 = 9*a - 5*a + 3*t, -15 = a - 3*t for a.

0

Solve 15*p - 4*s = 13*p - 8, 0 = 3*p + 3*s + 3 for p.

-2

Solve -2*b - 6 = -r - 5, 0 = r + 4*b - 1 for r.

1

Solve -i - 2 = -v + 3*v, -2*i - 4 = -v for i.

-2

Solve 4*z - 16 = -5*w, w = -65*z + 64*z + 4 for w.

0

Solve -q - 5*j + j - 23 = 0, 0 = -q - 5*j - 28 for q.

-3

Solve 4*i - 3*w + 6*w - 16 = 0, -13 = -i - 3*w for i.

1

Solve 3*x + 2 = -1, -s - 4*x = 6 for s.

-2

Solve -4*r - 2 = g, -1 = -4*r + g + 1 for r.

0