x+21=3x+23

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Solution for x+21=3x+23 equation:



x+21=3x+23
We move all terms to the left:
x+21-(3x+23)=0
We get rid of parentheses
x-3x-23+21=0
We add all the numbers together, and all the variables
-2x-2=0
We move all terms containing x to the left, all other terms to the right
-2x=2
x=2/-2
x=-1

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