.8-z=2.1

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Solution for .8-z=2.1 equation:



.8-z=2.1
We move all terms to the left:
.8-z-(2.1)=0
We add all the numbers together, and all the variables
-1z-1.3=0
We move all terms containing z to the left, all other terms to the right
-z=1.3
z=1.3/-1
z=-1+0.3/1

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