csheng419 csheng419

03-04-2018
Mathematics

contestada

Find the value of two numbers is there some is 12 and there difference is 4

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wolf1728 wolf1728

03-04-2018

You mean their sum is 12?

A) x + y = 12
B) x -y = 4 then we add both equations:
2x = 16
x = 8
y = 4

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