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2(2.5+8.5x)=28.5
We move all terms to the left:
2(2.5+8.5x)-(28.5)=0
We add all the numbers together, and all the variables
2(8.5x+2.5)-(28.5)=0
We add all the numbers together, and all the variables
2(8.5x+2.5)-28.5=0
We multiply parentheses
16x+5-28.5=0
We add all the numbers together, and all the variables
16x-23.5=0
We move all terms containing x to the left, all other terms to the right
16x=23.5
x=23.5/16
x=1+5/10.666666666667
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