1.8+7n = 9.6 - 4nfirst, you need to group the numbers with same radical, so you move 7n to the other side, and same for 9.6 (P.S., when moving a number from a side to another, you change his sign):1.8 - 9.6 = -7n -4nthen, you calculate each side:-7.8 = -11nthen, you found nn= -7.8/-11n= 0.7 (approximately)Hope this Helps :D...

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