130=(45-x)/2

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Solution for 130=(45-x)/2 equation: 



130=(45-x)/2

We move all terms to the left:

130-((45-x)/2)=0

We add all the numbers together, and all the variables

-((-1x+45)/2)+130=0

We multiply all the terms by the denominator


-((-1x+45)+130*2)=0



We calculate terms in parentheses: -((-1x+45)+130*2), so:

(-1x+45)+130*2

We add all the numbers together, and all the variables

(-1x+45)+260

We get rid of parentheses

-1x+45+260

We add all the numbers together, and all the variables

-1x+305

Back to the equation:

-(-1x+305)



We get rid of parentheses

1x-305=0

We add all the numbers together, and all the variables

x-305=0

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

x=305

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