Question

3/4(12a+8)=31.2 someone please help me solve this:)

Answer 1

answer is 2.8

Explanation:

3/4=0.75

0.75x12=9

0.75x8=6

9a+6=31.2

subtract 6 from both sides

9a=25.2

divide both sides by 9

a=2.8

Answer 2

2.8

Explanation:

31.2×4/3

12a+8 = 41.6

12a=33.6

a= 2.8