31-07-2017
Mathematics

contestada

Solve the system of equations.
11x+4y=-46
7x-4y=10

Respuesta :

choixongdong choixongdong

31-07-2017

11x+4y=-46
7x-4y=10
---------------add
18x = -36
x = -2

7x-4y=10
7(-2)-4y=10
-4x = 24
y = - 6

answer
(-2,-6)

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