Solve 0 = -2*x - 3*o + 13, 19 = -4*x - 25*o + 28*o for x.

-1

Solve -5*j + 4*z + z = 45, 0 = -4*j + 3*z - 31 for j.

-4

Solve -5*q = 5*y + 25, 4 + 21 = 2*y - 3*q for y.

2

Solve 186*q - 10 = t + 184*q, -q = -7 for t.

4

Solve -25 = w + 5*b, -3*b + 5 = -5*w - 4*b for w.

0

Solve 5*j - 20 = 0, 4*j - 10*j = 4*v - 32 for v.

2

Solve 0 = -20*p + 18*p + v + 13, -25 = -5*p + v for p.

4

Solve -6*j - 5*u = -2*j - 2, -3*j = 2*u + 2 for j.

-2

Solve 2*a - 4*y = -30, 38 = -4*a + 2*y + 8 for a.

-5

Solve 4*c = 4, -4*c - 21 = 3*f + 2*f for f.

-5