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6^x+6^3-x=42
We move all terms to the left:
6^x+6^3-x-(42)=0
determiningTheFunctionDomain 6^x-x-42+6^3=0
We add all the numbers together, and all the variables
-1x+6^x+174=0
We move all terms containing x to the left, all other terms to the right
-1x+6^x=-174
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