Solve -2*z + 1 + 3 = -x, -5*x = -3*z - 8 for x.
4
Solve 6*n - 11*n = -x + 13, 0 = -4*n + 2*x - 8 for n.
-3
Solve 4*n - 2*a = 6, 7 = n - a + 3 for n.
-1
Solve -4*n - 21 = -5*i, n - 5 = -i - 8 for i.
1
Solve 0 = 4*j - 3*f + 1, 5*j - 7*j + f - 1 = 0 for j.
-1
Solve -2*v + 5*i - 3*i = 2, 5 = v - 3*i for v.
-4
Solve -u + 40 - 33 = -2*s, -3*s - 4*u = -17 for s.
-1
Solve -10 = -5*i, -4*r - 3*i - 5 = -35 for r.
6
Solve 0 = 7*x - 6*x + u, 5*x - 18 = u for x.
3
Solve -n = 4, 5*y - 2*n - 11 + 3 = 0 for y.
0