SOLUTION: HELP ME SOLVE THIS : 90-3/2N=30

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Question 128783: HELP ME SOLVE THIS :
90-3/2N=30
Answer by MarisaLeigh(1) About Me  (Show Source):
You can put this solution on YOUR website!
90 - (3-2N)= 30
multiply both sides by (2N/1) to get 180N-3=60N
that means that 120N=3 and N=3/120= 1/40