Diketahui: x=5a - 13b dan y = 14a + 9b, Hasil x - y adalah .... .... Question from @fibiyanafatmawati

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Diketahui: x=5a - 13b dan y = 14a + 9b, Hasil x - y adalah ....

reyynibois

x = 5a - 13b

y = 14a + 9b

x - y = (5a - 13b) - (14a + 9b) (aljabar)

= 5a - 13b - 14a - 9b

x - y = -9a - 22b

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