-480=-20(z+419)

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Solution for -480=-20(z+419) equation:



-480=-20(z+419)
We move all terms to the left:
-480-(-20(z+419))=0
We calculate terms in parentheses: -(-20(z+419)), so:
-20(z+419)
We multiply parentheses
-20z-8380
Back to the equation:
-(-20z-8380)
We get rid of parentheses
20z+8380-480=0
We add all the numbers together, and all the variables
20z+7900=0
We move all terms containing z to the left, all other terms to the right
20z=-7900
z=-7900/20
z=-395

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