42x-35=49+21x

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Solution for 42x-35=49+21x equation: 



42x-35=49+21x

We move all terms to the left:

42x-35-(49+21x)=0

We add all the numbers together, and all the variables

42x-(21x+49)-35=0

We get rid of parentheses

42x-21x-49-35=0

We add all the numbers together, and all the variables

21x-84=0

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

21x=84

x=84/21

x=4

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