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21-11-2019
Mathematics

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What is the value of x in the equation 4x+8y=40, when y=0.8?

Respuesta :

21-11-2019

4x+8y=40
0.8*8=6.4
4x+6.4=40
40-6.4=33.6
4x=33.6
33.6\4=8.4
X=8.4

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