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x-(.15x)=1439
We move all terms to the left:
x-(.15x)-(1439)=0
We add all the numbers together, and all the variables
x-(+.15x)-1439=0
We get rid of parentheses
x-.15x-1439=0
We add all the numbers together, and all the variables
0.85x-1439=0
We move all terms containing x to the left, all other terms to the right
0.85x=1439
x=1439/0.85
x=1692+0.8/0.85
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