# SOLUTION: -4/6z + 2=30, I need to help my son write this out and be able to explain the steps to him. thanks in advance for the help

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 Click here to see ALL problems on Linear-systems Question 61215: -4/6z + 2=30, I need to help my son write this out and be able to explain the steps to him. thanks in advance for the helpAnswer by checkley71(8403)   (Show Source): You can put this solution on YOUR website!-4/6Z+2=30 -4/6Z=30-2 -4/6Z=28 CROSS MULTIPLYING WE GET -4Z=28*6 -4Z=168 Z=168/-4 Z=-42 PROOF (-4/6)-42+2=30 (-4*-42)/6+2=30 168/6+2=30 28+2=30 30=30