Jawaban:
4. a = 6 dan b = -3
5. x = 5 dan y = 3
Penjelasan dengan langkah-langkah:
4. 2a = 12
a = 6
3b = -9
b = -3
5. 2x = 10
x = 5
2 + x = 2y + 1
7 = 2y + 1
2y = 6
y = 3
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Jawaban:
4. a = 6 dan b = -3
5. x = 5 dan y = 3
Penjelasan dengan langkah-langkah:
4. 2a = 12
a = 6
3b = -9
b = -3
5. 2x = 10
x = 5
2 + x = 2y + 1
7 = 2y + 1
2y = 6
y = 3