x+(x-x(.4))=32.4

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Solution for x+(x-x(.4))=32.4 equation: 



x+(x-x(.4))=32.4

We move all terms to the left:

x+(x-x(.4))-(32.4)=0

We add all the numbers together, and all the variables

x+(x-x(0.4))-(32.4)=0

We add all the numbers together, and all the variables

x+(x-x(0.4))-32.4=0



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

x-x(0.4)

We multiply parentheses

x-0.4x

We add all the numbers together, and all the variables

0.6x

Back to the equation:

+(0.6x)



We add all the numbers together, and all the variables

x+(+0.6x)-32.4=0

We get rid of parentheses

x+0.6x-32.4=0

We add all the numbers together, and all the variables

1.6x-32.4=0

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

1.6x=32.4

x=32.4/1.6

x=20+0.4/1.6

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