3920-x=9x/40

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Solution for 3920-x=9x/40 equation: 



3920-x=9x/40

We move all terms to the left:

3920-x-(9x/40)=0

We add all the numbers together, and all the variables

-x-(+9x/40)+3920=0

We add all the numbers together, and all the variables

-1x-(+9x/40)+3920=0

We get rid of parentheses

-1x-9x/40+3920=0

We multiply all the terms by the denominator


-1x*40-9x+3920*40=0

We add all the numbers together, and all the variables

-9x-1x*40+156800=0

Wy multiply elements

-9x-40x+156800=0

We add all the numbers together, and all the variables

-49x+156800=0

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

-49x=-156800

x=-156800/-49

x=+3200

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