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-3x=-10x-8

 Dec 13, 2016
 #1
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\(-3x=-10x-8\)

add 10x on either side:

 

\(7x=-8\)

Divide by 7.

 

\(x=-{8\over{7}}=-1{1\over7}\)

 Dec 13, 2016
 #2
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-3x = -10x-8   |+10x

 7x = -8          | : 7

   x = -8/7

 

laugh

 Dec 13, 2016

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