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700-900=0.003x
We move all terms to the left:
700-900-(0.003x)=0
We add all the numbers together, and all the variables
-(+0.003x)+700-900=0
We add all the numbers together, and all the variables
-(+0.003x)-200=0
We get rid of parentheses
-0.003x-200=0
We move all terms containing x to the left, all other terms to the right
-0.003x=200
x=200/-0.003
x=-66666+0.0020000000000095/0.003
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