-1,28=(x-240)/80

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Solution for -1,28=(x-240)/80 equation: 



-1.28=(x-240)/80

We move all terms to the left:

-1.28-((x-240)/80)=0

We multiply all the terms by the denominator


-((x-240)-(1.28)*80)=0



We calculate terms in parentheses: -((x-240)-(1.28)*80), so:

(x-240)-(1.28)*80

We add all the numbers together, and all the variables

(x-240)-102.4

We get rid of parentheses

x-240-102.4

We add all the numbers together, and all the variables

x-342.4

Back to the equation:

-(x-342.4)



We get rid of parentheses

-x+342.4=0

We add all the numbers together, and all the variables

-1x+342.4=0

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

-x=-342.4

x=-342.4/-1

x=342+0.39999999999998/1

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