216=x+4(x+4)+3x

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Solution for 216=x+4(x+4)+3x equation: 



216=x+4(x+4)+3x

We move all terms to the left:

216-(x+4(x+4)+3x)=0



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

x+4(x+4)+3x

We add all the numbers together, and all the variables

4x+4(x+4)

We multiply parentheses

4x+4x+16

We add all the numbers together, and all the variables

8x+16

Back to the equation:

-(8x+16)



We get rid of parentheses

-8x-16+216=0

We add all the numbers together, and all the variables

-8x+200=0

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

-8x=-200

x=-200/-8

x=+25

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