Solve 2*u - 4 - 6 = 0 for u.

5

Solve 5*m + 8 = 7*m for m.

4

Solve 27 - 152 = -25*s for s.

5

Solve -9*n - 78 = 4*n for n.

-6

Solve 12*f - 3 = 13*f for f.

-3

Solve -35*r - 10 = -40*r for r.

2

Solve -522*o - 1 = -521*o for o.

-1

Solve 0 = 5*c - 3*c + 2 for c.

-1

Solve 23*x - 15*x = -64 for x.

-8

Solve 5*d = 157 - 137 for d.

4