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Mathematics 20 Online
OpenStudy (anonymous):

7(2x+2)-9(-1+6x)

OpenStudy (unklerhaukus):

expand the brackets

OpenStudy (anonymous):

well do 7 times whats in the paranthesis next to it which will endup 14x+14 and you do the same with the 9 which will endup 9-54x..

OpenStudy (precal):

|dw:1334712247753:dw|

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