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13=3w+2w+4
We move all terms to the left:
13-(3w+2w+4)=0
We add all the numbers together, and all the variables
-(5w+4)+13=0
We get rid of parentheses
-5w-4+13=0
We add all the numbers together, and all the variables
-5w+9=0
We move all terms containing w to the left, all other terms to the right
-5w=-9
w=-9/-5
w=1+4/5
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