21+42x=27+20x

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Solution for 21+42x=27+20x equation: 



21+42x=27+20x

We move all terms to the left:

21+42x-(27+20x)=0

We add all the numbers together, and all the variables

42x-(20x+27)+21=0

We get rid of parentheses

42x-20x-27+21=0

We add all the numbers together, and all the variables

22x-6=0

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

22x=6

x=6/22

x=3/11

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