17braylin27 17braylin27

18-03-2021
Mathematics

contestada

Use the following systems of equations to answer the questions.

`x=y+10`

`2x+4y=38`

What is the value of x – y?

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chaficalhajj chaficalhajj

18-03-2021

X=y+10
2(y+10)+4y=38
2y+20+4y=38
2y+4y=38-20
6y=18
Y=18/6
Y=3

X-10=y
2x+4(X-10)=38
2x+4x-40=38
6x=38+40
6x=78
X=78/6
X=13

X-y
=13-3
=10

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