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4x-4/5=2.8
We move all terms to the left:
4x-4/5-(2.8)=0
We add all the numbers together, and all the variables
4x-2.8-4/5=0
We multiply all the terms by the denominator
4x*5-4-(2.8)*5=0
We add all the numbers together, and all the variables
4x*5-18=0
Wy multiply elements
20x-18=0
We move all terms containing x to the left, all other terms to the right
20x=18
x=18/20
x=9/10
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