80=309+2x/7

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Solution for 80=309+2x/7 equation: 



80=309+2x/7

We move all terms to the left:

80-(309+2x/7)=0

We add all the numbers together, and all the variables

-(2x/7+309)+80=0

We get rid of parentheses

-2x/7-309+80=0

We multiply all the terms by the denominator


-2x-309*7+80*7=0

We add all the numbers together, and all the variables

-2x-1603=0

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

-2x=1603

x=1603/-2

x=-801+1/2

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