450=x+2x+(x+40)+(2x-10)

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Solution for 450=x+2x+(x+40)+(2x-10) equation: 



450=x+2x+(x+40)+(2x-10)

We move all terms to the left:

450-(x+2x+(x+40)+(2x-10))=0



We calculate terms in parentheses: -(x+2x+(x+40)+(2x-10)), so:

x+2x+(x+40)+(2x-10)

We add all the numbers together, and all the variables

3x+(x+40)+(2x-10)

We get rid of parentheses

3x+x+2x+40-10

We add all the numbers together, and all the variables

6x+30

Back to the equation:

-(6x+30)



We get rid of parentheses

-6x-30+450=0

We add all the numbers together, and all the variables

-6x+420=0

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

-6x=-420

x=-420/-6

x=+70

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