SOLUTION: How do i solve using two equation with two variables? Jennifer is 6 years older than Sue. In 4 years, she will be twice as old as Sue was 5 years ago. Find their ages now. M

Algebra ->  Coordinate Systems and Linear Equations  -> Lessons -> SOLUTION: How do i solve using two equation with two variables? Jennifer is 6 years older than Sue. In 4 years, she will be twice as old as Sue was 5 years ago. Find their ages now. M      Log On


   



Question 141416This question is from textbook Prentice hall
: How do i solve using two equation with two variables?
Jennifer is 6 years older than Sue. In 4 years, she will be twice as old as Sue was 5 years ago. Find their ages now.
My teacher said the answers are not 8 & 14.
This question is from textbook Prentice hall

Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
"Jennifer is 6 years older than Sue" __ J=S+6

"In 4 years, she will be twice as old as Sue was 5 years ago" __ J+4=2(S-5)

substituting __ (S+6)+4=2(S-5) __ S+10=2S-10 __ 20=S

substituting __ J=(20)+6 __ J=26