needananswer01
needananswer01
30-04-2017
Mathematics
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Simplify the expression -3 (b-7)
Respuesta :
Noah11012
Noah11012
30-04-2017
Simply distribute the -3 across the b and -7.
-3(b - 7) = (-3 * b) + (-3 * -7) = -3b + 21
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