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6^2+6^x=6^12
We move all terms to the left:
6^2+6^x-(6^12)=0
We add all the numbers together, and all the variables
6^x-2176782300=0
We move all terms containing x to the left, all other terms to the right
6^x=2176782300
x=2176782300/1
x=2176782300
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