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6w+3.1=(-20.3)
We move all terms to the left:
6w+3.1-((-20.3))=0
We add all the numbers together, and all the variables
6w+23.4=0
We move all terms containing w to the left, all other terms to the right
6w=-23.4
w=-23.4/6
w=-3+3.8571428571429/4.2857142857143
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