7x+6x-18=90-5x

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Solution for 7x+6x-18=90-5x equation: 



7x+6x-18=90-5x

We move all terms to the left:

7x+6x-18-(90-5x)=0

We add all the numbers together, and all the variables

7x+6x-(-5x+90)-18=0

We add all the numbers together, and all the variables

13x-(-5x+90)-18=0

We get rid of parentheses

13x+5x-90-18=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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