21-5x=4x-3x

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Solution for 21-5x=4x-3x equation:



21-5x=4x-3x
We move all terms to the left:
21-5x-(4x-3x)=0
We add all the numbers together, and all the variables
-5x-(+x)+21=0
We get rid of parentheses
-5x-x+21=0
We add all the numbers together, and all the variables
-6x+21=0
We move all terms containing x to the left, all other terms to the right
-6x=-21
x=-21/-6
x=3+1/2

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