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Mathematics, 24.02.2021 23:10 tatedason33741

For the following system, use the second equation to make a substitution for x in the first equation 3x +2y=7
X-y+3=0
What is the resulting equation?
3x-y-3+2y=7
3ly-3) + 2y = 7
3y-3+2y=7

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