1/5(90-x)=x

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Solution for 1/5(90-x)=x equation: 



1/5(90-x)=x

We move all terms to the left:

1/5(90-x)-(x)=0



Domain of the equation: 5(90-x)!=0

x∈R



We add all the numbers together, and all the variables

1/5(-1x+90)-x=0

We add all the numbers together, and all the variables

-1x+1/5(-1x+90)=0

We multiply all the terms by the denominator


-1x*5(-1x+90)+1=0

Wy multiply elements

-5x^2(-+1=0

We use the square of the difference formula

-5x^2(-1=0

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