42x-11-x=9+21x

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Solution for 42x-11-x=9+21x equation: 



42x-11-x=9+21x

We move all terms to the left:

42x-11-x-(9+21x)=0

We add all the numbers together, and all the variables

42x-x-(21x+9)-11=0

We add all the numbers together, and all the variables

41x-(21x+9)-11=0

We get rid of parentheses

41x-21x-9-11=0

We add all the numbers together, and all the variables

20x-20=0

We move all terms containing x to the left, all other terms to the right

20x=20

x=20/20

x=1

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