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x - y = 5
x + y = 17 +
2x = 22
x = 11
x - y = 5
11 - y = 5
y = 11 - 5
y = 6
jadi bil itu 6 dan 11
hasil kalinya: 6 x 11 = 66
semoga membantu ya :)
maka
x-y = 5
x+y = 17 _
-2y = -12
y = 6
mencari x
x+ y = 17
x + 6 = 17
x= 17- 6
x = 11
a. maka bilangan- bilangan itu adalah 6 dan 11
b. hasil kalinya = 6. 11 = 66