systems of equations

Mathematics
Tutor: None Selected Time limit: 1 Day

3x-y=8

3x=4-y

May 20th, 2015

3x-y=8

3x=4-y


y= 3x-8.........................................first equation

3x=4- (3x-8)

3x=4-3x+8

6x=12

x=2

y=3x-8

y=3(2)-8

y=6-8

y=-2



May 20th, 2015

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