3(z/7)=21

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Solution for 3(z/7)=21 equation:



3(z/7)=21
We move all terms to the left:
3(z/7)-(21)=0
We add all the numbers together, and all the variables
3(+z/7)-21=0
We multiply parentheses
3z-21=0
We move all terms containing z to the left, all other terms to the right
3z=21
z=21/3
z=7

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