Seudónimo Seudónimo

14-11-2016
Mathematics

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what is the value of y in the equation 5x+2y=20 when x=0.3

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MartianManiac MartianManiac

14-11-2016

5 x 0.3 = 1.5
1.5 + 2y = 20
2y = 20 - 1.5 = 18.5
y = 18.5 divided by 2
y = 9.25
checking
9.25 times 2 is 18.5
18.5 plus 1.5 is 20

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