24.2k views
5 votes
Four times a number added to 7 times the number is 55. What is the number?

User Yuliya
by
4.6k points

1 Answer

4 votes

Answer:

12

Explanation:

4xA+7=55

using PEMDAS multiplication comes first

A4+7=55

A4=55-7

A4=48

A=48/4

A=12

check:

4x12+7=12

User James Sharp
by
4.9k points