Solve 2*j = j + 5*b - 20, j - b + 4 = 0 for j.

0

Solve -4*o = 5*v - 21, -19 = -5*o - 0*v + v for o.

4

Solve 5*x + 0*x - 4*b = 5, x - 2 = b for x.

-3

Solve -4*b = 20, -8 = -5*d + 3*b + 12 for d.

1

Solve 2*n = -2, 5*x + 26 = 2*n + 3 for x.

-5

Solve 3*k - b + 62 = 52, -8 = -2*b for k.

-2

Solve o = 3*a, 0*a - 3*a = -4*o for o.

0

Solve 2*r - f = 12, 102*r = 105*r - 5*f - 25 for r.

5

Solve -5*h - 5*y = 15 - 10, -h - 3*y + 7 = 0 for h.

-5

Solve -5*n + 5 = -2*a - 28, 0 = 2*a + 5*n - 17 for a.

-4