133-7x=112-4x

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Solution for 133-7x=112-4x equation: 



133-7x=112-4x

We move all terms to the left:

133-7x-(112-4x)=0

We add all the numbers together, and all the variables

-7x-(-4x+112)+133=0

We get rid of parentheses

-7x+4x-112+133=0

We add all the numbers together, and all the variables

-3x+21=0

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

-3x=-21

x=-21/-3

x=+7

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