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-6.3a=-8.19
We move all terms to the left:
-6.3a-(-8.19)=0
We add all the numbers together, and all the variables
-6.3a+8.19=0
We move all terms containing a to the left, all other terms to the right
-6.3a=-8.19
a=-8.19/-6.3
a=1+1/3.3333333333333
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