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OpenStudy (anonymous):
Subtract: (7x+3)-(2x+1)
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OpenStudy (anonymous):
5x+2
OpenStudy (uri):
@numinumi Just remove the parenthesis.
OpenStudy (anonymous):
7x+3-2x-1 =(7-2)x+3-1 =5x+2
OpenStudy (uri):
Always remember, double negative =positive. negative + positive = negative.
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