10x + 9y - 5y
= 10x + (9 - 5)y
= 10x + 4y
Penjelasan dengan langkah-langkah:
= 10x + (9-5)y
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10x + 9y - 5y
= 10x + (9 - 5)y
= 10x + 4y
Cmiiw
Penjelasan dengan langkah-langkah:
10x + 9y - 5y
= 10x + (9-5)y
= 10x + 4y