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03-05-2017
Mathematics

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Solve the system of equations.

2x + 3y = 13
–6x + 4y = 0

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Аноним Аноним

03-05-2017

2x + 3y = 13
–6x + 4y = 0
multiply the 1st equation by 3

6x + 9y = 39
–6x + 4y = 0
------------------add
13y = 39
y = 3

–6x + 4y = 0
–6x + 4(3) = 0
- 6x + 12 = 0
-6x = -12
x = 2
answer
Solution (2, 3) or x = 2; y = 3

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