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9^x/3=2.187
We move all terms to the left:
9^x/3-(2.187)=0
We add all the numbers together, and all the variables
9^x/3-2.187=0
We multiply all the terms by the denominator
9^x-(2.187)*3=0
We add all the numbers together, and all the variables
9^x-6.561=0
We move all terms containing x to the left, all other terms to the right
9^x=6.561
x=6.561/1
x=6.561
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