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OpenStudy (anonymous):
solve the following equation |2x-7|=9
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OpenStudy (anonymous):
x = 8 x = -1
OpenStudy (anonymous):
2x-7=9 x=-1 or x=8
OpenStudy (anonymous):
How do I show work to this? Is there any?
OpenStudy (anonymous):
yes, 2x-7=9 2x=9+7 2x=16 x= 8 because it absolute it can be -9 as well 2x-7=-9 2x=-9+7 2x=-2 x=-1
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