-4z-9=7-4z+4z

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Solution for -4z-9=7-4z+4z equation:



-4z-9=7-4z+4z
We move all terms to the left:
-4z-9-(7-4z+4z)=0
We add all the numbers together, and all the variables
-4z-9-7=0
We add all the numbers together, and all the variables
-4z-16=0
We move all terms containing z to the left, all other terms to the right
-4z=16
z=16/-4
z=-4

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