Solve 0*y + 23 = 5*y + q, 3*q = -5*y + 19 for y.
5
Solve 5*m + 2*n = -17, -8 = 2*n - 4*n for m.
-5
Solve m = 3*m - 2*y - 2, 0 = -2*m - 2*y + 10 for m.
3
Solve -3*v - y = -14, -7*v + 0*v - 2*y + 31 = 0 for v.
3
Solve -f = -5*z + 7*z - 5, 5*z - 15 = -2*f for f.
-5
Solve 0 = 26*b - 30*b - 4*z, -2*z = -3*b for b.
0
Solve 5*m - 3*b + 17 = 0, 0*m + 2*b = 3*m + 11 for m.
-1
Solve -2*r = -3*m + 3 + 10, 0 = m - 4*r - 11 for m.
3
Solve 0 = 4*f - r - 7, 3 = -4*f - r + 20 for f.
3
Solve 4*v = 3*f + 21, 0*v + 5*v = -5*f for v.
3