4x-(7-x)=18,x

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Solution for 4x-(7-x)=18,x equation:



4x-(7-x)=18.x
We move all terms to the left:
4x-(7-x)-(18.x)=0
We add all the numbers together, and all the variables
4x-(-1x+7)-(+18.x)=0
We get rid of parentheses
4x+1x-18.x-7=0
We add all the numbers together, and all the variables
-13x-7=0
We move all terms containing x to the left, all other terms to the right
-13x=7
x=7/-13
x=-7/13

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