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4(n-15)=-15
We move all terms to the left:
4(n-15)-(-15)=0
We add all the numbers together, and all the variables
4(n-15)+15=0
We multiply parentheses
4n-60+15=0
We add all the numbers together, and all the variables
4n-45=0
We move all terms containing n to the left, all other terms to the right
4n=45
n=45/4
n=11+1/4
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