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Mathematics 8 Online
OpenStudy (anonymous):

y=-4x+2 y=5x+2

OpenStudy (anonymous):

y-value

Parth (parthkohli):

Use the method of elimination..

OpenStudy (anonymous):

what

Parth (parthkohli):

See my tutorial.

OpenStudy (anonymous):

5x+2=-4x+2 so 9x=0 x=0

OpenStudy (anonymous):

it can not = 0

OpenStudy (anonymous):

y=2

OpenStudy (anonymous):

x=0 so y=2

OpenStudy (anonymous):

how did you get 2

OpenStudy (anonymous):

when x=0 put 0 into y=-4x+2 and y=5x+2 see?

OpenStudy (anonymous):

okay

OpenStudy (anonymous):

y=-5x-6 -3x-6y=-18 y-value

OpenStudy (dream95):

-3x-6(-5x-6)=-18 -3x+30x+36=-18 27x=-54 x=-2 y=-5(-2)-6 y=4

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