Solve 4*j = b + 17, -9*b - 3*j + 12 = -10*b for b.
3
Solve 6*p = 9*p + 5*r - 15, -5*p = 2*r - 6 for p.
0
Solve -5*y - 15 = -q, y = q - 2*y - 7 for q.
-5
Solve 4*o + a = -7, -37 = 39*o - 35*o - 5*a for o.
-3
Solve 4*o + 4 = 0, -3*r + 2*o - 13 = 6*o for r.
-3
Solve -7*f = 5*p - 38, -4*f + f + 12 = 0 for p.
2
Solve -3*n + 91*v - 87*v + 19 = 0, 3*v + 7 = -5*n for n.
1
Solve 2*i - 13 = 2*w - w, -9 = 4*i + 5*w for i.
4
Solve -4*w = 4*j + 20, 0 = w + 5*j + 6 + 7 for w.
-3
Solve -1 = 2*l + 5*g, 7 = 5*l + g + 2*g for l.
2