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Verified answer
Coba saya bantu ya..U1 = m+10
U2 = 2(m-5)
U3 = 2m+1
dit :
nilai m?
jawab :
gunakan rumus ini ya..
2U2 = U1 + U3
2.2(m-5) = (m+10)+(2m+1)
4m-20 = 3m+11
4m-3m = 11+20
m = 31
Jadi nilai m yaitu 31
Semoga benar dan membantu ya ^_^…