7x+2(-3x+21)=47

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Solution for 7x+2(-3x+21)=47 equation: 



7x+2(-3x+21)=47

We move all terms to the left:

7x+2(-3x+21)-(47)=0

We multiply parentheses

7x-6x+42-47=0

We add all the numbers together, and all the variables

x-5=0

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

x=5

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