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300(2x)+1-20+(-13)+13=4
We move all terms to the left:
300(2x)+1-20+(-13)+13-(4)=0
determiningTheFunctionDomain 3002x+1-20+13-4+(-13)=0
We add all the numbers together, and all the variables
3002x-23=0
We move all terms containing x to the left, all other terms to the right
3002x=23
x=23/3002
x=23/3002
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