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Mary's sister is seven years older than Mary. Their combined ages add up to 35 how old is Mary? Sorry problem by writing in solving an equation!! Please help!!!!
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Mary's sister is seven years older than Mary.

Their combined ages add up to 35 how old is Mary?



Sorry problem by writing in solving an equation!!

Please help!!!!

User Krishnang K Dalal
by
8.5k points

1 Answer

3 votes
35-7 which would equal 28, but that answer wouldn't be exactly correct, as this isn't in correct formation. An equation would be 2x + 7 = 35.

35-7= 28 divided by 2(2x) would equal 14
So Mary is 14 and her sister is 21.


21 + 14 equals 35
User VKD
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8.0k points
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