cephasseqiah cephasseqiah

29-07-2016
Mathematics

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What is the value of x in the equation 7x + 2y = 48 , when y = 3?

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Ckaranja Ckaranja

29-07-2016

7x+2y=48
y=3,
7x+2(3)=48
7x+6=48
7x=42
x=6

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29-07-2016

Hi !

7x+2y = 48
You know the value for y so you just need to plug it in.

7x+2*3 = 48
7x = 48-6 = 42

x = 6

Answer Link

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