20=(x+1.5x)/2

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Solution for 20=(x+1.5x)/2 equation: 



20=(x+1.5x)/2

We move all terms to the left:

20-((x+1.5x)/2)=0

We add all the numbers together, and all the variables

-((+2.5x)/2)+20=0

We multiply all the terms by the denominator


-((+2.5x)+20*2)=0



We calculate terms in parentheses: -((+2.5x)+20*2), so:

(+2.5x)+20*2

We add all the numbers together, and all the variables

(+2.5x)+40

We get rid of parentheses

2.5x+40

Back to the equation:

-(2.5x+40)



We get rid of parentheses

-2.5x-40=0

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

-2.5x=40

x=40/-2.5

x=-16

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