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5(n-5)=-15
We move all terms to the left:
5(n-5)-(-15)=0
We add all the numbers together, and all the variables
5(n-5)+15=0
We multiply parentheses
5n-25+15=0
We add all the numbers together, and all the variables
5n-10=0
We move all terms containing n to the left, all other terms to the right
5n=10
n=10/5
n=2
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