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Mathematics 12 Online
OpenStudy (anonymous):

how in the world do you do this? Using the figure below, what is the value of y? a.12 B. 48 C. 132 D. 180

OpenStudy (anonymous):

OpenStudy (zzr0ck3r):

4x + y =180 x + 36 + y = 180 -4x-y=-180 x+y= 144 add the two equations -3x = -36 so x = 12 plug that back into one of the equations 48 + y = 180 thus y = 132

OpenStudy (zzr0ck3r):

make since?

OpenStudy (anonymous):

yeah thank you

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