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1x-(0.3x)=3000
We move all terms to the left:
1x-(0.3x)-(3000)=0
We add all the numbers together, and all the variables
1x-(+0.3x)-3000=0
We add all the numbers together, and all the variables
x-(+0.3x)-3000=0
We get rid of parentheses
x-0.3x-3000=0
We add all the numbers together, and all the variables
0.7x-3000=0
We move all terms containing x to the left, all other terms to the right
0.7x=3000
x=3000/0.7
x=4285+0.5/0.7
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