9+4z=-31-4z

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Solution for 9+4z=-31-4z equation:



9+4z=-31-4z
We move all terms to the left:
9+4z-(-31-4z)=0
We add all the numbers together, and all the variables
4z-(-4z-31)+9=0
We get rid of parentheses
4z+4z+31+9=0
We add all the numbers together, and all the variables
8z+40=0
We move all terms containing z to the left, all other terms to the right
8z=-40
z=-40/8
z=-5

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