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7^x2-x-5=1/343
We move all terms to the left:
7^x2-x-5-(1/343)=0
We add all the numbers together, and all the variables
7^x2-x-5-(+1/343)=0
We add all the numbers together, and all the variables
-1x+7^x2-5-(+1/343)=0
We get rid of parentheses
-1x+7^x2-5-1/343=0
We multiply all the terms by the denominator
-1x*343+7^x2*343-1-5*343=0
We add all the numbers together, and all the variables
-1x*343+7^x2*343-1716=0
Wy multiply elements
-343x+2401x-1716=0
We add all the numbers together, and all the variables
2058x-1716=0
We move all terms containing x to the left, all other terms to the right
2058x=1716
x=1716/2058
x=286/343
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