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OpenStudy (anonymous):
Help! How do you simplify expressions? -3x+9x
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OpenStudy (anonymous):
Simply add like-terms. Both of these contain an x. So -3 + 9 = 6, so -3x+9x=6x
OpenStudy (anonymous):
6x
OpenStudy (anonymous):
Thanks :) That makes sense!
OpenStudy (anonymous):
:)
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