5A - 8B + 3 (- A + 4B)
Tolong dong yang cantik dan ganteng bantuin jawabb
Tolong dong yang cantik dan ganteng bantuin jawabb
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Penjelasan dengan langkah-langkah:
5A - 8B + 3 (-a + 4b)
= 5A - 8B + 3a + (3× 4)b
= 5A + 8B - 3A + 12B
= 5A + (8 + 12)B - 3A
= 5A + 20B - 3A
= 5A - 3A + 20B