21-6x=3x+3

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Solution for 21-6x=3x+3 equation:



21-6x=3x+3
We move all terms to the left:
21-6x-(3x+3)=0
We get rid of parentheses
-6x-3x-3+21=0
We add all the numbers together, and all the variables
-9x+18=0
We move all terms containing x to the left, all other terms to the right
-9x=-18
x=-18/-9
x=+2

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