What is the value of x in the equation 4 x plus 8 y equals 40, when y equals 0.8? 4.6 8.4 10 12

Kebabman asked Sep 10, 2022

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26 votes

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

4.6
8.4
10
12

Kebabman asked Sep 10, 2022

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10 votes

4x + 8(.8) = 40

4x + 6.4 = 40

4x = 33.6

x = 8.4

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