0.3x-4=0.7x+8

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Solution for 0.3x-4=0.7x+8 equation: 



0.3x-4=0.7x+8

We move all terms to the left:

0.3x-4-(0.7x+8)=0

We get rid of parentheses

0.3x-0.7x-8-4=0

We add all the numbers together, and all the variables

-0.4x-12=0

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

-0.4x=12

x=12/-0.4

x=-30

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