(21+x)+6=5(21+x)

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Solution for (21+x)+6=5(21+x) equation: 



(21+x)+6=5(21+x)

We move all terms to the left:

(21+x)+6-(5(21+x))=0

We add all the numbers together, and all the variables

(x+21)-(5(x+21))+6=0

We get rid of parentheses

x-(5(x+21))+21+6=0



We calculate terms in parentheses: -(5(x+21)), so:

5(x+21)

We multiply parentheses

5x+105

Back to the equation:

-(5x+105)



We add all the numbers together, and all the variables

x-(5x+105)+27=0

We get rid of parentheses

x-5x-105+27=0

We add all the numbers together, and all the variables

-4x-78=0

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

-4x=78

x=78/-4

x=-19+1/2

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