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Mathematics 21 Online
OpenStudy (anonymous):

1) 12 + 4x = 20

OpenStudy (anonymous):

simplify right? divide the entire thing by 4 you get 3+x=5 x=5-3 x=2

OpenStudy (charlotte123):

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OpenStudy (zpupster):

it is 4x/4 = 8/4 same answer x=2

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