emmakat9harma emmakat9harma

29-09-2016
Mathematics

contestada

what is -3(2n 1) 7 = -5

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01-10-2016

-6n-3+7=-5

combine like terms

-6n+4=-5
-4 -4 isolation

-6n=-9
divide -6 to both sides

n= -1.5

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Anuenue Anuenue

05-10-2016

7 + 2n = 126 - 36n
2n + 36n = 126 - 7
38n = 119
n =

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