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x=38.40+.3(x)
We move all terms to the left:
x-(38.40+.3(x))=0
We add all the numbers together, and all the variables
x-(.3x+38.4)=0
We get rid of parentheses
x-.3x-38.4=0
We add all the numbers together, and all the variables
0.7x-38.4=0
We move all terms containing x to the left, all other terms to the right
0.7x=38.4
x=38.4/0.7
x=54+0.6/0.7
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