66x+3x=345

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Solution for 66x+3x=345 equation: 



66x+3x=345

We move all terms to the left:

66x+3x-(345)=0

We add all the numbers together, and all the variables

69x-345=0

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

69x=345

x=345/69

x=5

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