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How do i solve this by using substitution? y=4x-9 y=x-3
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5 votes
How do i solve this by using substitution?

y=4x-9
y=x-3

User Bromanko
by
8.3k points

1 Answer

1 vote
y=4x-9
y=x-3

(x-3)=4x-9 -- add 9 to both sides and subtract x from both sides
3x=6
x=2

y=2-3
y=-1
User Murtaza Manasawala
by
8.2k points
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