Jawaban:
33
Penjelasan dengan langkah-langkah:
keliling persegi panjang = 2 ( p + l )
270 cm = 2 ( ( 3x - 2 ) + ( x + 5 ) )
270 cm = 2 ( 3x - 2 + x + 5 )
270 cm = 2 ( 4x + 3 )
270 cm = 8x + 6
270 - 6 = 8x
264 = 8x
264 : 8 = x
33 = x
maka, x = 33
semoga benar dan membantu ya
maaf kalau salah
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Jawaban:
33
Penjelasan dengan langkah-langkah:
keliling persegi panjang = 2 ( p + l )
270 cm = 2 ( ( 3x - 2 ) + ( x + 5 ) )
270 cm = 2 ( 3x - 2 + x + 5 )
270 cm = 2 ( 4x + 3 )
270 cm = 8x + 6
270 - 6 = 8x
264 = 8x
264 : 8 = x
33 = x
maka, x = 33
semoga benar dan membantu ya
maaf kalau salah