How do you solve 210=4a3?

2 Answers
Nov 5, 2017

a=23

Explanation:

Multiplying both sides by a3,
210(a3)=4

Distributing 210,
210a610=4
210a=4+610
210a=235

Dividing both sides by 210,
a=23

Nov 5, 2017

23

Explanation:

210=4a3

Multiply both sides by 10 to eliminate the fraction on the left portion

2=40a3

Then Multiple both sides by a-3 to eliminate the fraction on the right portion

2(a3)=40

Distribute 2

2a-6=40

Transpose -6 to the right side

2a=40+6

2a=46

a=23