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16-05-2017
Mathematics

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solve x+y=7 and 3x-2y=11 using elimination

Respuesta :

16-05-2017

x=5 and y =2.
Here's how you do it.
Multiply the first equation by -3, and the second one by 1.
add the equations to eliminate x.
then solve for y by dividing both sides by -5, which gives us 2.
to solve for x subsitute 2 in for y.

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