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7100=x-(0.3x)
We move all terms to the left:
7100-(x-(0.3x))=0
We add all the numbers together, and all the variables
-(x-(+0.3x))+7100=0
We calculate terms in parentheses: -(x-(+0.3x)), so:We add all the numbers together, and all the variables
x-(+0.3x)
We get rid of parentheses
x-0.3x
We add all the numbers together, and all the variables
0.7x
Back to the equation:
-(0.7x)
-(+0.7x)+7100=0
We get rid of parentheses
-0.7x+7100=0
We move all terms containing x to the left, all other terms to the right
-0.7x=-7100
x=-7100/-0.7
x=10142+0.60000000000036/0.7
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