3.9-0.3(x-7.0)=0.5x

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Solution for 3.9-0.3(x-7.0)=0.5x equation: 



3.9-0.3(x-7.0)=0.5x

We move all terms to the left:

3.9-0.3(x-7.0)-(0.5x)=0

We add all the numbers together, and all the variables

-0.3(x-7)-(+0.5x)+3.9=0

We multiply parentheses

-0.3x-(+0.5x)+2.1+3.9=0

We get rid of parentheses

-0.3x-0.5x+2.1+3.9=0

We add all the numbers together, and all the variables

-0.8x+6=0

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

-0.8x=-6

x=-6/-0.8

x=7+0.4/0.8

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