40=2(8+4x)

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Solution for 40=2(8+4x) equation: 



40=2(8+4x)

We move all terms to the left:

40-(2(8+4x))=0

We add all the numbers together, and all the variables

-(2(4x+8))+40=0



We calculate terms in parentheses: -(2(4x+8)), so:

2(4x+8)

We multiply parentheses

8x+16

Back to the equation:

-(8x+16)



We get rid of parentheses

-8x-16+40=0

We add all the numbers together, and all the variables

-8x+24=0

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

-8x=-24

x=-24/-8

x=+3

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