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Algebra
Tutor: None Selected Time limit: 0 Hours

Apr 15th, 2015

3x-2y=8       a

-3x+4y=-4    b

a+b: 2y=4-->y=2

3x-4=8

3x=12

x=4


8x+y=10      c

x-y=-1          d

c+d:  9x =9    x=1

8+y=10

y=10-8

y=2

Apr 15th, 2015

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