x+9+4x+1=90

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



x+9+4x+1=90
We move all terms to the left:
x+9+4x+1-(90)=0
We add all the numbers together, and all the variables
5x-80=0
We move all terms containing x to the left, all other terms to the right
5x=80
x=80/5
x=16

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