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Substitute 5x+3y=7 x=3y-13

Substitute 5x+3y=7 x=3y-13
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3 votes
Substitute

5x+3y=7

x=3y-13

User YAHsaves
by
7.4k points

1 Answer

6 votes
5x+3y=7
-x +3y=13

5x+3y=7
x -3y = -13

6x = -6
x= -1

Then plug in x to find y.

5x+3y=7
5(-1)+3y=7
-5 +3y=7
3y=12
y=4

Good luck hope this helps :)
User Sanober Malik
by
8.5k points
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