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Verified answer
Anggap Winda = xDita = y
maka x = y - 7
x + y = 43
subsitusikan
y - 7 + y = 43
2y = 43 + 7
2y = 50
y = 25
x = y - 7
x = 25 - 7
x = 18
maka Winda = 18
Dita = 25