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x-(.3x+2.75)=0
We get rid of parentheses
x-.3x-2.75=0
We add all the numbers together, and all the variables
0.7x-2.75=0
We move all terms containing x to the left, all other terms to the right
0.7x=2.75
x=2.75/0.7
x=3+0.65/0.7
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