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5.25x-6.43=2.76x+9.89
We move all terms to the left:
5.25x-6.43-(2.76x+9.89)=0
We get rid of parentheses
5.25x-2.76x-9.89-6.43=0
We add all the numbers together, and all the variables
2.49x-16.32=0
We move all terms containing x to the left, all other terms to the right
2.49x=16.32
x=16.32/2.49
x=6+1/1.80434782609
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