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01-04-2021
Mathematics

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2x+y=5 y=x−1 system of equations please show your work

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01-04-2021

sub y = x - 1 into equation 1

2x + x - 1 = 5

3x = 6

x = 2

sub x = 2 into equation 2

y = 2 - 1

y = 1

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