Jawaban:
a. x= 21°
b. y= 14°
Penjelasan dengan langkah-langkah:
a.
2x=42, bertolak belakang.
x= 42/2
x= 21°
b.
2x= 3y
42= 3y
y= 42/3
y= 14°
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Jawaban:
a. x= 21°
b. y= 14°
Penjelasan dengan langkah-langkah:
a.
2x=42, bertolak belakang.
x= 42/2
x= 21°
b.
2x= 3y
42= 3y
y= 42/3
y= 14°