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-5.6-a=-11.2
We move all terms to the left:
-5.6-a-(-11.2)=0
We add all the numbers together, and all the variables
-1a+5.6=0
We move all terms containing a to the left, all other terms to the right
-a=-5.6
a=-5.6/-1
a=5+0.6/1
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