4x+(x-9)=90

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



4x+(x-9)=90

We move all terms to the left:

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

We get rid of parentheses

4x+x-9-90=0

We add all the numbers together, and all the variables

5x-99=0

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

5x=99

x=99/5

x=19+4/5

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