100(3-x)=450-50x

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Solution for 100(3-x)=450-50x equation: 



100(3-x)=450-50x

We move all terms to the left:

100(3-x)-(450-50x)=0

We add all the numbers together, and all the variables

100(-1x+3)-(-50x+450)=0

We multiply parentheses

-100x-(-50x+450)+300=0

We get rid of parentheses

-100x+50x-450+300=0

We add all the numbers together, and all the variables

-50x-150=0

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

-50x=150

x=150/-50

x=-3

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