21-x=x/5

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Solution for 21-x=x/5 equation:



21-x=x/5
We move all terms to the left:
21-x-(x/5)=0
We add all the numbers together, and all the variables
-x-(+x/5)+21=0
We add all the numbers together, and all the variables
-1x-(+x/5)+21=0
We get rid of parentheses
-1x-x/5+21=0
We multiply all the terms by the denominator
-1x*5-x+21*5=0
We add all the numbers together, and all the variables
-1x-1x*5+105=0
Wy multiply elements
-1x-5x+105=0
We add all the numbers together, and all the variables
-6x+105=0
We move all terms containing x to the left, all other terms to the right
-6x=-105
x=-105/-6
x=17+1/2

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