3(w+7)=3w+21

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Solution for 3(w+7)=3w+21 equation: 



3(w+7)=3w+21

We move all terms to the left:

3(w+7)-(3w+21)=0

We multiply parentheses

3w-(3w+21)+21=0

We get rid of parentheses

3w-3w-21+21=0

We add all the numbers together, and all the variables

=0

w=0/1

w=0

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