lhugh23 lhugh23

28-10-2016
Mathematics

contestada

fifteen more than half a number is 9

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LogicalNova LogicalNova

28-10-2016

15 + [_] = 9 So subtract 15 from 9 (9-15) and get -6

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28-10-2016

.5x +15=9
then you subtract 15 from both sides making it .5x = -6
and then you divide each side by .5 because you want to make each side equal to find "x" and that equals x = -3

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