4x+(9x+1)=90

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Solution for 4x+(9x+1)=90 equation: 



4x+(9x+1)=90

We move all terms to the left:

4x+(9x+1)-(90)=0

We get rid of parentheses

4x+9x+1-90=0

We add all the numbers together, and all the variables

13x-89=0

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

13x=89

x=89/13

x=6+11/13

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