-2+20x=4(3x+21)+x

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Solution for -2+20x=4(3x+21)+x equation: 



-2+20x=4(3x+21)+x

We move all terms to the left:

-2+20x-(4(3x+21)+x)=0



We calculate terms in parentheses: -(4(3x+21)+x), so:

4(3x+21)+x

We add all the numbers together, and all the variables

x+4(3x+21)

We multiply parentheses

x+12x+84

We add all the numbers together, and all the variables

13x+84

Back to the equation:

-(13x+84)



We get rid of parentheses

20x-13x-84-2=0

We add all the numbers together, and all the variables

7x-86=0

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

7x=86

x=86/7

x=12+2/7

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