648=-124+-4z

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Solution for 648=-124+-4z equation: 



648=-124+-4z

We move all terms to the left:

648-(-124+-4z)=0

We add all the numbers together, and all the variables

-(-4z)+648=0

We get rid of parentheses

4z+648=0

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

4z=-648

z=-648/4

z=-162

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