daniellep206 daniellep206

11-02-2017
Mathematics

contestada

graph 3x-2y=16 and x-2y=4

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wolf1728 wolf1728

11-02-2017

A) 3x -2y = 16
B) x -2y = 4
Multiplying equation B by -1
B) -x +2y = -4 then adding it to equation A
A) 3x -2y = 16
2x = 12
x = 6

B) x -2y = 4
B) 6 -2y = 4
B) 2y = -2
y = 1

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