7+5x=3(10x+28)+x

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Solution for 7+5x=3(10x+28)+x equation: 



7+5x=3(10x+28)+x

We move all terms to the left:

7+5x-(3(10x+28)+x)=0



We calculate terms in parentheses: -(3(10x+28)+x), so:

3(10x+28)+x

We add all the numbers together, and all the variables

x+3(10x+28)

We multiply parentheses

x+30x+84

We add all the numbers together, and all the variables

31x+84

Back to the equation:

-(31x+84)



We get rid of parentheses

5x-31x-84+7=0

We add all the numbers together, and all the variables

-26x-77=0

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

-26x=77

x=77/-26

x=-2+25/26

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