GlitterGirl1324 GlitterGirl1324

16-02-2016
Mathematics

contestada

Put answer in coordinate form: 2x + 2y = -2 and 9x - 6y = 36

Relax

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astropatch astropatch

16-02-2016

coordinate form is (x,y) using the variables respectively.

2x+2y=-2
-2y
2x= -2-2y
/2

x=-1-y

9x-6y=36
9 (-1-y)-6y=36
-9-9y-6y=36
+9.
-9y-6y=45
-15y=45
/-15
y=-3

x=-1-y
x=-1- (-3)
x=2

answer: (2,-3)

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