15.8=8.78+3x

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Solution for 15.8=8.78+3x equation: 



15.8=8.78+3x

We move all terms to the left:

15.8-(8.78+3x)=0

We add all the numbers together, and all the variables

-(3x+8.78)+15.8=0

We get rid of parentheses

-3x-8.78+15.8=0

We add all the numbers together, and all the variables

-3x+7.02=0

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

-3x=-7.02

x=-7.02/-3

x=2+1/2.9411764705882

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