10x+(9-x)=90-10x+x+27

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Solution for 10x+(9-x)=90-10x+x+27 equation: 



10x+(9-x)=90-10x+x+27

We move all terms to the left:

10x+(9-x)-(90-10x+x+27)=0

We add all the numbers together, and all the variables

10x+(-1x+9)-(-9x+117)=0

We get rid of parentheses

10x-1x+9x+9-117=0

We add all the numbers together, and all the variables

18x-108=0

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

18x=108

x=108/18

x=6

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