Jawaban:
18
Penjelasan dengan langkah-langkah:
y - 4 = 9
y = 9 + 4
= 13
x + 8 = y
x + 8 = 13
x = 13 - 8
= 5
x + y = 5 + 13
= 18
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Jawaban:
18
Penjelasan dengan langkah-langkah:
y - 4 = 9
y = 9 + 4
= 13
x + 8 = y
x + 8 = 13
x = 13 - 8
= 5
x + y = 5 + 13
= 18