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2(x-15)=8.9
We move all terms to the left:
2(x-15)-(8.9)=0
We add all the numbers together, and all the variables
2(x-15)-8.9=0
We multiply parentheses
2x-30-8.9=0
We add all the numbers together, and all the variables
2x-38.9=0
We move all terms containing x to the left, all other terms to the right
2x=38.9
x=38.9/2
x=19+0.9/2
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