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2.80=4.4+4z
We move all terms to the left:
2.80-(4.4+4z)=0
We add all the numbers together, and all the variables
-(4z+4.4)+2.80=0
We add all the numbers together, and all the variables
-(4z+4.4)+2.8=0
We get rid of parentheses
-4z-4.4+2.8=0
We add all the numbers together, and all the variables
-4z-1.6=0
We move all terms containing z to the left, all other terms to the right
-4z=1.6
z=1.6/-4
z=-1/2.5
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