-3(-5z-2z)=7z

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Solution for -3(-5z-2z)=7z equation:



-3(-5z-2z)=7z
We move all terms to the left:
-3(-5z-2z)-(7z)=0
We add all the numbers together, and all the variables
-3(-7z)-7z=0
We add all the numbers together, and all the variables
-7z-3(-7z)=0
We multiply parentheses
-7z+21z=0
We add all the numbers together, and all the variables
14z=0
z=0/14
z=0

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