centennial centennial

30-08-2016
Mathematics

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i need help with all of it

i need help with all of it class=

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30-08-2016

2) 9=-7m+1-6
9=-7m-5
9+5=-7m
14=-7m
m=14/-7=-2

5) -36=6(2-8n)
-36/6=2-8n
-6=2-8n
-6-2=-8n
-8=-8n
n=1

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