20-02-2021
Mathematics

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Solve the system of linear equations by elimination. Check your solution. 3x + 2y = 7 -3x + 4y = 5

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20-02-2021

Answer:

(3x+2y=7-3x+4y)=5

3x+3x+2y-4y-7=5

6x-2y-7=5

6x-2y=5+7

=12

2(3x-y)=12

3x-y=12/2

= 6

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