Question

Dose anyone know what to do I don’t know how

Answer 1

a=7b+27/2

Explanation:

1: Add 7/3b to both sides.

2 /3 a+ −7 /3b + 7/3b = 9+ 7/3b

2/3a=7/3b+9

2: Divide both sides by 2/3.

2/3a= 7/3b + 92

/ 2/3a / 2/3a

a=7b+27/2