8+3(n-9)=17
8+3n-27=17
3n-19=17
3n-19-17=0
3n-36=0
3n/3=36/3
n=12
Checking:
8+3(12-9)=17
8+3(3)=17
8+9=17
17=17
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Answers & Comments
8+3(n-9)=17
8+3n-27=17
3n-19=17
3n-19-17=0
3n-36=0
3n/3=36/3
n=12
Checking:
8+3(n-9)=17
8+3(12-9)=17
8+3(3)=17
8+9=17
17=17