637=280+42x

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Solution for 637=280+42x equation: 



637=280+42x

We move all terms to the left:

637-(280+42x)=0

We add all the numbers together, and all the variables

-(42x+280)+637=0

We get rid of parentheses

-42x-280+637=0

We add all the numbers together, and all the variables

-42x+357=0

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

-42x=-357

x=-357/-42

x=8+1/2

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