3x+7x=23+7

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Solution for 3x+7x=23+7 equation: 



3x+7x=23+7

We move all terms to the left:

3x+7x-(23+7)=0

We add all the numbers together, and all the variables

3x+7x-30=0

We add all the numbers together, and all the variables

10x-30=0

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

10x=30

x=30/10

x=3

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