SOLUTION: if twice Mary's age is decreased by 7 is the same age as her age increased by ten
how old is Mary.
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Question 1206198: if twice Mary's age is decreased by 7 is the same age as her age increased by ten
how old is Mary.
Found 2 solutions by ankor@dixie-net.com, josgarithmetic:
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
if twice Mary's age is decreased by 7 is the same age as her age increased by ten, how old is Mary.
:
m = Mary's age now
2m - 7 = m + 10
2m - m = 10 + 7
m = 17
Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!
if twice Mary's age is decreased by 7, is the same age as her age increased by ten
how old is Mary.
If , then this is .
--------------Mary's age
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