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Mathematics

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Item 12

Solve the system of linear equations by substitution.

y−x=0

2x−5y=9

Answer :

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The answer should be 0.9

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If I’m correct you multiply add 5y to the -5y which gives you 2x=14 since you have to add the 5y to the 9, then you proceed to divide 2x with 14 which gives you 7 so the system of the equation is 7

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