(4.5x+56)-(2.25x-7)-(300-3x)=-(0.75x-3)

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Solution for (4.5x+56)-(2.25x-7)-(300-3x)=-(0.75x-3) equation: 



(4.5x+56)-(2.25x-7)-(300-3x)=-(0.75x-3)

We move all terms to the left:

(4.5x+56)-(2.25x-7)-(300-3x)-(-(0.75x-3))=0

We add all the numbers together, and all the variables

(4.5x+56)-(2.25x-7)-(-3x+300)-(-(0.75x-3))=0

We get rid of parentheses

4.5x-2.25x+3x-(-(0.75x-3))+56+7-300=0



We calculate terms in parentheses: -(-(0.75x-3)), so:

-(0.75x-3)

We get rid of parentheses

-0.75x+3

Back to the equation:

-(-0.75x+3)



We add all the numbers together, and all the variables

5.25x-(-0.75x+3)-237=0

We get rid of parentheses

5.25x+0.75x-3-237=0

We add all the numbers together, and all the variables

6x-240=0

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

6x=240

x=240/6

x=40

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