This year, jake is 5 years older than his sister. Three years ago, jake was twice his sisters age. How old is jakes sister now?
1 answer:
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A + 5 = 
(5a + 25)
First, simplify
to 
/ Your problem should look like: 
Second, multiply both sides by 5. / Your problem should look like:
Third, expand to get rid of parenthesis. / Your problem should look like:
Fourth, both sides are equal, resulting it having infinite solutions.
Answer: infinite solutions
First, simplify
Second, multiply both sides by 5. / Your problem should look like:
Third, expand to get rid of parenthesis. / Your problem should look like:
Fourth, both sides are equal, resulting it having infinite solutions.
Answer: infinite solutions