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6.25=2^2.5x
We move all terms to the left:
6.25-(2^2.5x)=0
We get rid of parentheses
-2^2.5x+6.25=0
We move all terms containing x to the left, all other terms to the right
-2^2.5x=-6.25
x=-6.25/1
x=-6.25
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