P : 3/2 x + 4 L : 7/3 x + 9 Keliling= 210 Brapa X?
Matematika
sahibmu
Pertanyaan
P : 3/2 x + 4
L : 7/3 x + 9
Keliling= 210
Brapa X?
L : 7/3 x + 9
Keliling= 210
Brapa X?
1 Jawaban
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1. Jawaban gilham
K = 2(P+L)
210 = 2(3/2x + 4 + 7/3x + 9)
210 = 3x + 8 + 14/3x + 18
210 = 9/3x + 14/3x + 26
23/3x = 210-26
23/3x = 184
x = 184 x 3/23
x = 24
Jadi nilai x nya adalah 24