4.5(20-x)+20=68-2.5(5x+12)

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Solution for 4.5(20-x)+20=68-2.5(5x+12) equation: 



4.5(20-x)+20=68-2.5(5x+12)

We move all terms to the left:

4.5(20-x)+20-(68-2.5(5x+12))=0

We add all the numbers together, and all the variables

4.5(-1x+20)-(68-2.5(5x+12))+20=0

We multiply parentheses

-4.5x-(68-2.5(5x+12))+90+20=0



We calculate terms in parentheses: -(68-2.5(5x+12)), so:

68-2.5(5x+12)

determiningTheFunctionDomain
-2.5(5x+12)+68

We multiply parentheses

-12.5x-30+68

We add all the numbers together, and all the variables

-12.5x+38

Back to the equation:

-(-12.5x+38)



We add all the numbers together, and all the variables

-4.5x-(-12.5x+38)+110=0

We get rid of parentheses

-4.5x+12.5x-38+110=0

We add all the numbers together, and all the variables

8x+72=0

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

8x=-72

x=-72/8

x=-9

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