150=30+20x

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Solution for 150=30+20x equation: 



150=30+20x

We move all terms to the left:

150-(30+20x)=0

We add all the numbers together, and all the variables

-(20x+30)+150=0

We get rid of parentheses

-20x-30+150=0

We add all the numbers together, and all the variables

-20x+120=0

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

-20x=-120

x=-120/-20

x=+6

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