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4=54.85-0.75x
We move all terms to the left:
4-(54.85-0.75x)=0
We add all the numbers together, and all the variables
-(-0.75x+54.85)+4=0
We get rid of parentheses
0.75x-54.85+4=0
We add all the numbers together, and all the variables
0.75x-50.85=0
We move all terms containing x to the left, all other terms to the right
0.75x=50.85
x=50.85/0.75
x=67+0.6/0.75
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