7n + 3 = 59
7n = 56 Subtract 3 from BOTH sides
n = 8 Divide by 7 on BOTH sides to isolate n
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7n + 2 = 4n + 17Subtract 2 from each side:7n = 4n + 15Subtract 4n from each side:3n = 15Divide each side by 3:n = 5
76.6227766
7n+10
6n - 4 - 3 = 3n + 10 + 4n -7 = 7n - 6n + 10 -17 = n
division n=3