a-15=4a-3 Plz help me figure out this problem!

Mathematics · College · Mon Jan 18 2021

Answered on

We have,

a-15 = 4a-3

Adding 3 on both sides, we get

a - 15 + 3 = 4a - 3 + 3

a - 12 = 4a 

Subtracting a from both sides,  we get

a - 12 - a = 4a - a

-12 = 3a

Dividing both sides by 3, we get

-12/ 3 = 3a/3

a = -4

 

Hence, value of a is -4