4x+7=123

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Solution for 4x+7=123 equation: 



4x+7=123

We move all terms to the left:

4x+7-(123)=0

We add all the numbers together, and all the variables

4x-116=0

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

4x=116

x=116/4

x=29

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