7a-14=4a+1
7a-14=4a+1 subtract 4a from both ssides
3a - 14 = 1 add 14 ro both sides
3a = 15 divide both sides by 3
a = 5
first u have to subtract 4a from both sides
3a - 14 = 1
then add 14 to both sides to give:
3a = 15
finally divide both sides by 3.
so a=15/3