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5(x+2.5)=20.5
We move all terms to the left:
5(x+2.5)-(20.5)=0
We add all the numbers together, and all the variables
5(x+2.5)-20.5=0
We multiply parentheses
5x+12.5-20.5=0
We add all the numbers together, and all the variables
5x-8=0
We move all terms containing x to the left, all other terms to the right
5x=8
x=8/5
x=1+3/5
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