Solve 5*u = 5*f - 10*f - 35, -3*u = -2*f + 6 for u.

-4

Solve 0 = -5*m + h + 10, 4*m - 5 = -4*h + 27 for m.

3

Solve -2*b + 23*x - 19*x + 20 = 0, -3*b + 6 = 2*x for b.

4

Solve 2*u + r - 9 = 6*r, 0 = -4*u + r + 9 for u.

2

Solve i = 4*l + 5 - 4, 3*l - 18 = -3*i for l.

1

Solve 3*i + 2*x = -10, 4*i - 34*x + 15 = -37*x for i.

0

Solve 0 = -4*i + 5*c - 33, 3*i - 34*c = -29*c - 31 for i.

-2

Solve -a - i = 2, -a + 6*i - 3*i = -18 for a.

3

Solve 0 = -k - 2*j - 1, -j = 4*k + 4 + 7 for k.

-3

Solve 0 = v + 4*v - 2*x + 35, -3*v - 25 = -2*x for v.

-5