20-150=21x-45+30x

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Solution for 20-150=21x-45+30x equation: 



20-150=21x-45+30x

We move all terms to the left:

20-150-(21x-45+30x)=0

We add all the numbers together, and all the variables

-(51x-45)+20-150=0

We add all the numbers together, and all the variables

-(51x-45)-130=0

We get rid of parentheses

-51x+45-130=0

We add all the numbers together, and all the variables

-51x-85=0

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

-51x=85

x=85/-51

x=-1+2/3

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