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sally is 1 year older than3 times the age of joe. chris is 5 years younger than 6 times the age of joe. if sally and chris are the same age, how old is joe?
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sally is 1 year older than3 times the age of joe. chris is 5 years younger than 6 times the age of joe. if sally and chris are the same age, how old is joe?

User Shindigo
by
8.0k points

1 Answer

2 votes
6x - 5 = 3x + 1
-3x -3x
————————
3x - 5 = 1
+ 5 + 5
————————
3x = 6
—— —
3 3

x = 2
Joe is 2 years old.

~~~~~~~~~~~~~~~~
Check

6(2) - 5 = 3(2) + 1
12 - 5 = 6 + 1
✔️
7 = 7
User Bo
by
8.4k points
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