X+20+3x=189

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Solution for X+20+3x=189 equation: 



X+20+3X=189

We move all terms to the left:

X+20+3X-(189)=0

We add all the numbers together, and all the variables

4X-169=0

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

4X=169

X=169/4

X=42+1/4

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