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3(x-2.7)=6.9
We move all terms to the left:
3(x-2.7)-(6.9)=0
We add all the numbers together, and all the variables
3(x-2.7)-6.9=0
We multiply parentheses
3x-8.1-6.9=0
We add all the numbers together, and all the variables
3x-15=0
We move all terms containing x to the left, all other terms to the right
3x=15
x=15/3
x=5
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