x+2x+45=189

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Solution for x+2x+45=189 equation: 



x+2x+45=189

We move all terms to the left:

x+2x+45-(189)=0

We add all the numbers together, and all the variables

3x-144=0

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

3x=144

x=144/3

x=48

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