Solve -2*i + 2*f = 2, -3*i + 3*f = -f for i.
-4
Solve 8*x - 5*x = 2*b - 7, -5*x = -3*b + 11 for x.
-1
Solve 4*v - t - 2 = 0, 0*t + 8 = 3*v - 4*t for v.
0
Solve 6 = -3*l, y = -2*y + 5*l + 19 for y.
3
Solve 3 + 3 = -2*x + 5*k, 0 = 5*x - 5*k for x.
2
Solve 0 = 2*c - 9*b + 7*b + 6, -11 = 2*c + 3*b for c.
-4
Solve -5*j - 3*a - 22 = 0, 122*j - 123*j = -2*a - 6 for j.
-2
Solve 4*z + x + 23 = 0, 6*z = 5*z + 3*x + 4 for z.
-5
Solve 5*r = -2*l + 10, 2*r + 15 = -3*l + 8 for r.
4
Solve m = -n - 4, -49*m - 3*n - 6 = -48*m for m.
-3