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3-5n+2n=7-52
We move all terms to the left:
3-5n+2n-(7-52)=0
We add all the numbers together, and all the variables
-5n+2n+3-(-45)=0
We add all the numbers together, and all the variables
-3n+48=0
We move all terms containing n to the left, all other terms to the right
-3n=-48
n=-48/-3
n=+16
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