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0.16666666666667z-4=2.6
We move all terms to the left:
0.16666666666667z-4-(2.6)=0
We add all the numbers together, and all the variables
0.16666666666667z-6.6=0
We move all terms containing z to the left, all other terms to the right
0.16666666666667z=6.6
z=6.6/0.16666666666667
z=39+0.09999999999987/0.16666666666667
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