Solve -3*f = 6*n - 2*n, -15 = -5*n for f.
-4
Solve -9*r - 5*j + 34 = -6*r, 17 = -r + 4*j for r.
3
Solve 0*b + 4*o + 20 = 5*b, 5*b - 30 = 2*o for b.
8
Solve 18 = 4*j + n, 7 = 3*j - n - 3 for j.
4
Solve 1 = v, 14*v = 5*t + 18*v + 6 for t.
-2
Solve -5*j = 1 + 24, t + 2*j = -13 for t.
-3
Solve 5*s + 4*o + 0*o = 13, 1 = 3*s - o for s.
1
Solve 4*t - 6*u - 20 = -10, -3*u = -5*t + 26 for t.
7
Solve 0 = -3*i + z + 1, 27*i + z + 2 = 31*i for i.
1
Solve -1 = d, -v - 4*v - 3*d = 3 for v.
0