Jawaban:
dari awal
x + y = 2
x = p, y = q
p + q = 2
?
Penjelasan dengan langkah-langkah:
x = 2 - y
3x - 4y = -5
3 ( 2 - y ) - 4y = -5
6 - 3y - 4y = -5
-7y = -11
y = 11/7
x = 2 - y = 14/7 - 11/7 = 3/7
3/7 + 11/7 = 14/7 = 2
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Jawaban:
dari awal
x + y = 2
x = p, y = q
p + q = 2
?
Penjelasan dengan langkah-langkah:
x + y = 2
x = 2 - y
3x - 4y = -5
3 ( 2 - y ) - 4y = -5
6 - 3y - 4y = -5
-7y = -11
y = 11/7
x = 2 - y = 14/7 - 11/7 = 3/7
3/7 + 11/7 = 14/7 = 2