21-5x=6-2x

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Solution for 21-5x=6-2x equation:



21-5x=6-2x
We move all terms to the left:
21-5x-(6-2x)=0
We add all the numbers together, and all the variables
-5x-(-2x+6)+21=0
We get rid of parentheses
-5x+2x-6+21=0
We add all the numbers together, and all the variables
-3x+15=0
We move all terms containing x to the left, all other terms to the right
-3x=-15
x=-15/-3
x=+5

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