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A - B = 6
2 B= 10
B = 5
A = 5 + 6
=11
11× 5
=55
y = x - 6
kemudian persamaan yang y = x -6 itu dimasukkan ke persamaan pertama
x + (x-6) = 16
2x -6 = 16
2x = 16+ 6
2x = 22
x = 22 : 2
x = 11
y = x - 6
y = 11 - 6
y = 5
X x Y =
11 x 5 = 55
semoga membantu
maaf kalau salah