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Mathematics 18 Online
OpenStudy (anonymous):

What is x+2y=8 and x=0,1,2 what would the y value be?

OpenStudy (lucaz):

substitute x by 0, 1 and 2 and solve for y when x is 0 -> (0)+2y=8 -> y=8/2=4 when x is 1 -> (1)+2y=8 -> 2y=7 -> y=7/2 when x is 2 -> (2)+2y=8 -> 2y=6 -> y=6/2=3

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