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2x-(-12)=3
We move all terms to the left:
2x-(-12)-(3)=0
determiningTheFunctionDomain 2x-3-(-12)=0
We add all the numbers together, and all the variables
2x+9=0
We move all terms containing x to the left, all other terms to the right
2x=-9
x=-9/2
x=-4+1/2
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