280=x*7/10

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Solution for 280=x*7/10 equation: 



280=x*7/10

We move all terms to the left:

280-(x*7/10)=0

We add all the numbers together, and all the variables

-(+x*7/10)+280=0

We get rid of parentheses

-x*7/10+280=0

We multiply all the terms by the denominator


-x*7+280*10=0

We add all the numbers together, and all the variables

-x*7+2800=0

Wy multiply elements

-7x+2800=0

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

-7x=-2800

x=-2800/-7

x=+400

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