Penjelasan dengan langkah-langkah:
8×-3y dan 15×+5y
(8×-3y) - (15×+5y)
= 8x-15x-3y-5y
= -7x-8y
-5×+3y dari 7×-3y
= (7x-3y) - (-5x+3y)
= 7x+5x-3y-3y
= 12x-6y
12a-13b+2e dari -5a+10b-3e
= (-5a+10b-3e) - (12a-13b+2e)
= -5a-12a+10b+13b-3e-2e
= -17a+23b-5e
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Verified answer
Penjelasan dengan langkah-langkah:
8×-3y dan 15×+5y
(8×-3y) - (15×+5y)
= 8x-15x-3y-5y
= -7x-8y
-5×+3y dari 7×-3y
= (7x-3y) - (-5x+3y)
= 7x+5x-3y-3y
= 12x-6y
12a-13b+2e dari -5a+10b-3e
= (-5a+10b-3e) - (12a-13b+2e)
= -5a-12a+10b+13b-3e-2e
= -17a+23b-5e