2(180-x)=4(90-x)

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Solution for 2(180-x)=4(90-x) equation: 



2(180-x)=4(90-x)

We move all terms to the left:

2(180-x)-(4(90-x))=0

We add all the numbers together, and all the variables

2(-1x+180)-(4(-1x+90))=0

We multiply parentheses

-2x-(4(-1x+90))+360=0



We calculate terms in parentheses: -(4(-1x+90)), so:

4(-1x+90)

We multiply parentheses

-4x+360

Back to the equation:

-(-4x+360)



We get rid of parentheses

-2x+4x-360+360=0

We add all the numbers together, and all the variables

2x=0

x=0/2

x=0

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