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OpenStudy (anonymous):
valuate 3(2m − 3n) − 2(m + 2n) for m = −9 and n = −7.
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OpenStudy (anonymous):
6m - 9n - 2m - 4n 6(-9) - 9(-7) - 2(-9) - 4(-7) = -54 + 63 + 18 + 28 = 55
OpenStudy (anonymous):
thank you so much!
OpenStudy (anonymous):
no problem(:
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