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How to do substitution
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5 votes
How to do substitution

User Kgautron
by
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1 Answer

3 votes
you solve for one variable like
y-5x=2
"y=5x+2"

9x+3y=58
and you plug it in into the other equation
9x+3(5x+2)=58

You solve for x and then plug in your answer for x into the other equation
*let's imagine x=8*
then:
y-5(8)=2
and solve for y
:D


User Melros
by
8.4k points
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