3x+5x+4-x+7=8(x+1)

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Solution for 3x+5x+4-x+7=8(x+1) equation: 



3x+5x+4-x+7=8(x+1)

We move all terms to the left:

3x+5x+4-x+7-(8(x+1))=0

We add all the numbers together, and all the variables

7x-(8(x+1))+11=0



We calculate terms in parentheses: -(8(x+1)), so:

8(x+1)

We multiply parentheses

8x+8

Back to the equation:

-(8x+8)



We get rid of parentheses

7x-8x-8+11=0

We add all the numbers together, and all the variables

-1x+3=0

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

-x=-3

x=-3/-1

x=+3

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