3.9x+6=3x-12

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Solution for 3.9x+6=3x-12 equation: 



3.9x+6=3x-12

We move all terms to the left:

3.9x+6-(3x-12)=0

We get rid of parentheses

3.9x-3x+12+6=0

We add all the numbers together, and all the variables

0.9x+18=0

We move all terms containing x to the left, all other terms to the right

0.9x=-18

x=-18/0.9

x=-20

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