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1.3x=1.21
We move all terms to the left:
1.3x-(1.21)=0
We add all the numbers together, and all the variables
1.3x-1.21=0
We move all terms containing x to the left, all other terms to the right
1.3x=1.21
x=1.21/1.3
x=1/1.07438016529
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