Penjelasan dengan langkah-langkah:
d1 = d2
7x - 20 = 3x + 16
7x - 3x = 20 + 16
4x = 36
x = 36/4
x = 9
d = 7(9) - 20
d = 63 - 20
d = 43 cm
Jawaban:
= 7x - 20
= 3x + 16
= ( 7x - 3x )
= 20 + 16
= 4x = 36
= x = ³⁶/4
= x = 9
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Penjelasan dengan langkah-langkah:
d1 = d2
7x - 20 = 3x + 16
7x - 3x = 20 + 16
4x = 36
x = 36/4
x = 9
d = 7(9) - 20
d = 63 - 20
d = 43 cm
Jawaban:
( d1 = d2 )
= 7x - 20
= 3x + 16
= ( 7x - 3x )
= 20 + 16
= 4x = 36
= x = ³⁶/4
= x = 9
d = 7(9) - 20
d = 63 - 20