7.4=(9+x)/2

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Solution for 7.4=(9+x)/2 equation: 



7.4=(9+x)/2

We move all terms to the left:

7.4-((9+x)/2)=0

We add all the numbers together, and all the variables

-((x+9)/2)+7.4=0

We multiply all the terms by the denominator


-((x+9)+(7.4)*2)=0



We calculate terms in parentheses: -((x+9)+(7.4)*2), so:

(x+9)+(7.4)*2

We add all the numbers together, and all the variables

(x+9)+14.8

We get rid of parentheses

x+9+14.8

We add all the numbers together, and all the variables

x+23.8

Back to the equation:

-(x+23.8)



We get rid of parentheses

-x-23.8=0

We add all the numbers together, and all the variables

-1x-23.8=0

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

-x=23.8

x=23.8/-1

x=-23+0.8/1

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