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0.3x-4=0.7x+0.5
We move all terms to the left:
0.3x-4-(0.7x+0.5)=0
We get rid of parentheses
0.3x-0.7x-0.5-4=0
We add all the numbers together, and all the variables
-0.4x-4.5=0
We move all terms containing x to the left, all other terms to the right
-0.4x=4.5
x=4.5/-0.4
x=-11+0.1/0.4
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