180-20-(140-x)=(20-x)

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Solution for 180-20-(140-x)=(20-x) equation: 



180-20-(140-x)=(20-x)

We move all terms to the left:

180-20-(140-x)-((20-x))=0

We add all the numbers together, and all the variables

-(-1x+140)-((-1x+20))+180-20=0

We add all the numbers together, and all the variables

-(-1x+140)-((-1x+20))+160=0

We get rid of parentheses

1x-((-1x+20))-140+160=0



We calculate terms in parentheses: -((-1x+20)), so:

(-1x+20)

We get rid of parentheses

-1x+20

Back to the equation:

-(-1x+20)



We add all the numbers together, and all the variables

x-(-1x+20)+20=0

We get rid of parentheses

x+1x-20+20=0

We add all the numbers together, and all the variables

2x=0

x=0/2

x=0

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