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4.5x+3.5(x+1)=18.5
We move all terms to the left:
4.5x+3.5(x+1)-(18.5)=0
We add all the numbers together, and all the variables
4.5x+3.5(x+1)-18.5=0
We multiply parentheses
4.5x+3.5x+3.5-18.5=0
We add all the numbers together, and all the variables
8x-15=0
We move all terms containing x to the left, all other terms to the right
8x=15
x=15/8
x=1+7/8
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