Mohon tolong bantuanny 1. 42 : 56 = 2. y-3 = 21 6 = 14
Matematika
laurent14
Pertanyaan
Mohon tolong bantuanny
1. 42 : 56 =
2. y-3 = 21
6 = 14
1. 42 : 56 =
2. y-3 = 21
6 = 14
1 Jawaban
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1. Jawaban ErikCatosLawijaya
Mapel : Matematika
Kelas : VII SMP
Bab : Aljabar
Pembahasan :
42 : 56
= 21 : 28
= 3 : 4
= 3/4
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(y - 3)6 = 21/14
14(y - 3) = 6 . 21
14y - 42 = 126
14y = 126 + 42
14y = 168
y = 168/14
y = 12