iamsqross iamsqross

20-08-2018
Mathematics

contestada

Solve the following system of equations.

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

X=?

Y=?

Respuesta :

mmcuebas mmcuebas

20-08-2018

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

20x + 28y = 16
-20x - 15y = 10

13y = 26
y = 2

5x + 7 ( 2 ) = 4
5x + 14 = 4
5x = -10
x = -2

Your answer would be (-2, 2)

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