3(9+a)=54
3×9 + 3×a =54
27 + 3a = 54
3a - 27 = 54 -27 = 27
3a÷ 3 = 27÷ 3= 9
a = 9
Happy to help
Answer:
9
Step-by-step explanation:
i did 54 divided by 3 and got 18 so i know 9+9=18
18 times 3 =54
