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30-05-2016
Mathematics

Answered

What is the value of x and y when 84=4x+2y and 126=3x+5y?

Verified Answer :

zainahayath zainahayath

30-05-2016

84-2y=4x
21-y=x

126=3(21-y)+5y
126=61+2y
65=2y
37.5=y

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