Solve 0 = 4*p + 4*a - 7 + 3, -4*p = -5*a + 14 for p.

-1

Solve -7*d + 2*d = 4*z - 31, 4*d + 4*z - 28 = 0 for d.

3

Solve -2*o + 5*x + 15 = 6*x, 2*o = x + 13 for o.

7

Solve -f - g = -2*f - 1, -4*f + 5*g = 0 for f.

-5

Solve 0*x + 3*a + 22 = -2*x, -5*x - 4*a - 41 = 0 for x.

-5

Solve 20*w - 16*w + 3*z = 13, 4*w + 2*z - 6 = 0 for w.

-2

Solve 3*v = 5*v + 3*u - 2, 2*u = 0 for v.

1

Solve v - 5*p = -20, 0*v + 8 = -v + p for v.

-5

Solve r - 14 = 3*n, -2*n + 11*r = 10*r + 11 for n.

-3

Solve b = -12*j + 7*j, 2*j = 4*b for j.

0