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12-02-2019
Mathematics

contestada

8y=28-4x
6x+8y=6
find the solution to the system of equations

Respuesta :

12-02-2019

first equation equivalent to

4x+8y=28

substract with second equation

-2x=22

divide with -2

x=-11

substitute to first equation

8y=28-4(-11)

8y=72

divide with 8

y=9

so the solution is (-11,9)

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