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12.4=13w+8-0.5
We move all terms to the left:
12.4-(13w+8-0.5)=0
We add all the numbers together, and all the variables
-(13w+7.5)+12.4=0
We get rid of parentheses
-13w-7.5+12.4=0
We add all the numbers together, and all the variables
-13w+4.9=0
We move all terms containing w to the left, all other terms to the right
-13w=-4.9
w=-4.9/-13
w=2.57894736842/6.84210526316
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