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8.21x+6.79x=1.305
We move all terms to the left:
8.21x+6.79x-(1.305)=0
We add all the numbers together, and all the variables
15x-1.305=0
We move all terms containing x to the left, all other terms to the right
15x=1.305
x=1.305/15
x=1/11.494252873563
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