2x=40+(0.4*(40+x))

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Solution for 2x=40+(0.4*(40+x)) equation: 



2x=40+(0.4(40+x))

We move all terms to the left:

2x-(40+(0.4(40+x)))=0

We add all the numbers together, and all the variables

2x-(40+(0.4(x+40)))=0



We calculate terms in parentheses: -(40+(0.4(x+40))), so:

40+(0.4(x+40))

determiningTheFunctionDomain
(0.4(x+40))+40



We calculate terms in parentheses: +(0.4(x+40)), so:

0.4(x+40)

We multiply parentheses

0.4x+16

Back to the equation:

+(0.4x+16)



We get rid of parentheses

0.4x+16+40

We add all the numbers together, and all the variables

0.4x+56

Back to the equation:

-(0.4x+56)



We get rid of parentheses

2x-0.4x-56=0

We add all the numbers together, and all the variables

1.6x-56=0

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

1.6x=56

x=56/1.6

x=35

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