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## anonymous 3 years ago Solve using substitution. y = 2x + 3 5x - y = -3 can someone show work?

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1. ParthKohli

Which means,$\rm 5x - (2x + 3) = -3$Right?

2. anonymous

I have no idea, i get confused

3. ParthKohli

$\rm 5x - 2x - 3 = -3$Right?

4. anonymous

Since $y=2x+3$ , you have to plug this into $5x-y=-3$..

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