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How do I solve by substition

Algebra
Tutor: None Selected Time limit: 1 Day

y=x-5

2x-y=11

Nov 9th, 2014

2x - y = 11

By substituting y = x -5, we get

2x - (x-5) = 11

x + 5 = 11

Subtracting 5 from each side

x = 6

As y = x -5  and substituting x = 6 we get

y = 6-5 =1

Answer x= 6 and y = 1

Nov 9th, 2014

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