-40-(-39)=x/9

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Solution for -40-(-39)=x/9 equation: 



-40-(-39)=x/9

We move all terms to the left:

-40-(-39)-(x/9)=0

We add all the numbers together, and all the variables

-(+x/9)-40-(-39)=0

We add all the numbers together, and all the variables

-(+x/9)-1=0

We get rid of parentheses

-x/9-1=0

We multiply all the terms by the denominator


-x-1*9=0

We add all the numbers together, and all the variables

-1x-9=0

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

-x=9

x=9/-1

x=-9

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