Tentukan nilai na.4(3n+1)=5(n+5) b.2n-1/4 - 3n-5/2 = n+1/12.... Question from @neofandy

neofandy @neofandy

August 2018 2 7 Report

Tentukan nilai n
a.4(3n+1)=5(n+5)
b.2n-1/4 - 3n-5/2 = n+1/12

mochamadfahryrizal A.4(3n+1)=5(n+5)
12n+4=5n+25
12n+4-4=5n+25-4
12n=5n+21
12n-5n=5n-5n+21
7n=21
7n/7=21/7
n=3

b

floraalexandria aku mau jawab tapi percuma ga dapet poin hehehehhe dan pasti pusing kalondi komentar

mochamadfahryrizal IYA TIDAKKKK #bupurstyle

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neofandy Neofandy Zen

mochamadfahryrizal flora : yang bener hayo .... nanti aku kasih poin 25 tahh ....

floraalexandria A ) 4(3n + 1 ) = 5 (n+5) 12n + 4 = 5n + 25 12n + 4 - 4 = 5n +25 -4 12n = 5n + 21 12n-5n = 5n-5n + 21 7n = 21 7n/7 = 21/7 n = 3

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