7(x-0,4)=25,2

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Solution for 7(x-0,4)=25,2 equation:



7(x-0.4)=25.2
We move all terms to the left:
7(x-0.4)-(25.2)=0
We add all the numbers together, and all the variables
7(x-0.4)-25.2=0
We multiply parentheses
7x-2.8-25.2=0
We add all the numbers together, and all the variables
7x-28=0
We move all terms containing x to the left, all other terms to the right
7x=28
x=28/7
x=4

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