18x + 7y – 6y – 7zX → 2y → 4z → 6—————–hayoo ;-;
Penjelasan dengan langkah-langkah:
X → 2
y → 4
z → 6
_____
18x + 7y – 6y – 7z
= 18(2) + 7(4) – 6(4) – 7(6)
= (18.2) + (7.4) – (6.4) – (7.6)
= 36 + 28 – 24 – 42
= 64 – 24 – 42
= 40 – 42
= -2
(。•̀ᴗ-)✧
<(( -KS- ))>
Penjelasan dengan langkah-langkah:
= 18x + 7y – 6y – 7z
= 18.2 + 7.4 – 6.4 – 7.6
= 36 + 28 – 24 – 42
= 64 – 24 – 42
= 40 – 42
= –2