What is the value of y in the equation 6.4x 2.8y = 44.4, when x = 3? user: what is the value of x in the equation x �� y = 30, when y = 15? 4 8 80 200

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asked Jan 20, 2017 133k views

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What is the value of y in the equation 6.4x 2.8y = 44.4, when x = 3? user: what is the value of x in the equation x �� y = 30, when y = 15? 4 8 80 200

Mathematics
high-school

Egor B Eremeev asked

by Egor B Eremeev

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6.4(3)+2.8y=44.4
=19.2+2.8y=44.4
=2.8y=44.4-19.2
2.8y=25.2
Y=25.2/2.8=9
Y=9

Wanderingme answered Jan 25, 2017

by Wanderingme

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