13x-3+9x+4=90

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Solution for 13x-3+9x+4=90 equation: 



13x-3+9x+4=90

We move all terms to the left:

13x-3+9x+4-(90)=0

We add all the numbers together, and all the variables

22x-89=0

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

22x=89

x=89/22

x=4+1/22

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