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-0.5x*x+14=6
We move all terms to the left:
-0.5x*x+14-(6)=0
We add all the numbers together, and all the variables
-0.5x*x+8=0
We move all terms containing x to the left, all other terms to the right
-0.5x*x=-8
x=-8/1
x=-8
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