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Kayla's age is 3 less than twice her brothers age . Kayla is 13 years old. How old is her brother? (using equations)

Kayla's age is 3 less than twice her brothers age . Kayla is 13 years old. How old is her brother? (using equations)
46.5k views
2 votes
Kayla's age is 3 less than twice her brothers age . Kayla is 13 years old. How old is her brother?

(using equations)

User Miselking
by
9.4k points

2 Answers

2 votes
Let x= brother
2x-3= Kayla

2x -3= 13
2x-3= 13
2x= 16
x=8
Kayla's brother is 8 yrs. old
User Imran Bughio
by
8.0k points
4 votes

Kayla=k \\ Brother=b \\ \\ k=2b-3 \\ k=13 \\ \\ (13)=2b-3 \\ 16=2b \\ 8=b

Her brother is 8 years old.
User Pavan Sokke Nagaraj
by
8.6k points
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