5x+4=24

-3.2x + 4.8 =10.6

a+5
----------------- = 12
3
(the lines under a+5 is a fraction bar)

The equation is 2x over 5 + 3 - 4x over 5 = 1 over 5

-3=m+3

2 - 3x +4 + 6x =12