Solve 5*f - 10 = -5*d, -3*f + 6*f = d - 2 for d.

2

Solve 0 = 2*n + 2*s + 10, -6*n - 4*s - 12 = -4*n for n.

-4

Solve -3*r + 4*f = -10, -1 - 3 = -r + 2*f for r.

2

Solve -r = -5*a + 23 - 22, 0 = 2*a + 2*r + 2 for a.

0

Solve -d - 2 + 1 = 0, -5*a - 2*d = 2 for a.

0

Solve 5*o + 3*g - 7 = 0, -15*o + 4*g - 48 = -12*o for o.

-4

Solve -41 = -5*g - 4*a, -4*g + 32 = 4*a - a for g.

5

Solve -3*x + 5*u + 19 = 0, 1 + 1 = -u for x.

3

Solve q - 3 = 3*b, -3*q - 3*b + 0*b + 9 = 0 for q.

3

Solve -3*q - b + 13 = 0, -48*b + 46*b - 4 = 0 for q.

5