1/5(7-x)=4

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Solution for 1/5(7-x)=4 equation: 



1/5(7-x)=4

We move all terms to the left:

1/5(7-x)-(4)=0



Domain of the equation: 5(7-x)!=0

x∈R



We add all the numbers together, and all the variables

1/5(-1x+7)-4=0

We multiply all the terms by the denominator


-4*5(-1x+7)+1=0

Wy multiply elements

-20x(-+1=0

We use the square of the difference formula

-20x(-1=0

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