akybrown akybrown

23-08-2017
Mathematics

contestada

Solve the following system equations.

9x+6y= -3
5x+6y=9

x=
y=

Respuesta :

choixongdong choixongdong

23-08-2017

9x + 6y = -3
5x + 6y = 9
----------------subtract
4x = -12
x = -3

9x + 6y = -3
9(-3) + 6y = -3
-27 + 6y = -3
6y = 24
y = 4

answer
x = -3 and y = 4

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