(4x+5x)/2=45

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Solution for (4x+5x)/2=45 equation: 



(4x+5x)/2=45

We move all terms to the left:

(4x+5x)/2-(45)=0

We add all the numbers together, and all the variables

(+9x)/2-45=0

We multiply all the terms by the denominator


(+9x)-45*2=0

We add all the numbers together, and all the variables

(+9x)-90=0

We get rid of parentheses

9x-90=0

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

9x=90

x=90/9

x=10

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