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49^4-3x=7^-8x
We move all terms to the left:
49^4-3x-(7^-8x)=0
We add all the numbers together, and all the variables
-3x-(7^-8x)+5764801=0
We get rid of parentheses
-3x+8x+5764801-7^=0
We add all the numbers together, and all the variables
5x=0
x=0/5
x=0
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