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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