29-06-2016
Mathematics

contestada

2x+2y=16 , 6x+4y=38 what is the value of x

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Johhnyboii Johhnyboii

29-06-2016

1st equation—x, substitute y:
3x + 2(x + 3) = 16
3x + 2x + 6 = 16
5x = 10
x = 2

y in the above equation:
= 2 + 3
= 5

Answer: x = 2, y = 5

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