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Verified answer
substitusikan saja, sehingga7+y+y=43
7+2y=43
2y=36
y=18
x=7+18
x=25
Kelas : VII SMP
Bab : Aljabar
Pembahasan :
Samakan...
x = x
7 + y = 43 - y
2y = 43 - 7
2y = 36
y = 18
x = 7 + y
x = 7 + 18
x = 25
Hp : {x , y} = {25 , 18}