3x+66x=90

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Solution for 3x+66x=90 equation: 



3x+66x=90

We move all terms to the left:

3x+66x-(90)=0

We add all the numbers together, and all the variables

69x-90=0

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

69x=90

x=90/69

x=1+7/23

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