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Substitute y = 2x + 1 y = 3x - 1
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Substitute y = 2x + 1 y = 3x - 1

User Michael Bosworth
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2x+ 1 = 3x - 1 ;
1 + 1 = 3x - 2x ;
2 = x ;
x = 2 ;
Then, y = 2x2 + 1 = 5 ;
User Rukamakama
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