2.22 Question 21 - Math

Mathematics
Tutor: None Selected Time limit: 1 Day

Feb 22nd, 2015

3x-y=4

y=3x-4

5x-2(3x-4)=12

5x-6x+8=12

-x=4

x=-4

y=3(-4)-4

y=-16

Feb 22nd, 2015

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