4(x+7)+3x=7(x+1)21

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Solution for 4(x+7)+3x=7(x+1)21 equation: 



4(x+7)+3x=7(x+1)21

We move all terms to the left:

4(x+7)+3x-(7(x+1)21)=0

We add all the numbers together, and all the variables

3x+4(x+7)-(7(x+1)21)=0

We multiply parentheses

3x+4x-(7(x+1)21)+28=0



We calculate terms in parentheses: -(7(x+1)21), so:

7(x+1)21

We multiply parentheses

147x+147

Back to the equation:

-(147x+147)



We add all the numbers together, and all the variables

7x-(147x+147)+28=0

We get rid of parentheses

7x-147x-147+28=0

We add all the numbers together, and all the variables

-140x-119=0

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

-140x=119

x=119/-140

x=-17/20

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