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9 votes
Y=4x+3
2x-3y=21
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User Tonny Xu
by
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1 Answer

7 votes

Explanation:

y = 4x+3

2x-3y = 21

2x -3(4x+3) = 21

2x -12x -9 = 21

-10x = 21 + 9

-10x = 30

x = -3

User Rene De La Garza
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