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OpenStudy (anonymous):
8 + x = 13 + 2x x=?
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OpenStudy (nubeer):
first add - x on both sides... u just have to make the term with x on one side and terms without x on the other side of equal..
OpenStudy (anonymous):
move the 2x to the left and the 8 to the right... -x=5 give us x=-5
OpenStudy (anonymous):
x=-5
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