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5x+0.50(x+2.50)=0
We add all the numbers together, and all the variables
5x+0.50(x+2.5)=0
We multiply parentheses
5x+0.5x+1.25=0
We add all the numbers together, and all the variables
5.5x+1.25=0
We move all terms containing x to the left, all other terms to the right
5.5x=-1.25
x=-1.25/5.5
x=-1/4.4
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