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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