Jawab:
Penjelasan dengan langkah-langkah:
Jwbn ada di kertas yakk
24. 75(a+b) = 72(a)+80(b)
75(a+15) =72(a)+80(15)
75a+1125=72a+1200
75a-72a=1125-1200
3a. = -75
a. =-75/-3
a. = 25
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Jawab:
Penjelasan dengan langkah-langkah:
Jwbn ada di kertas yakk
24. 75(a+b) = 72(a)+80(b)
75(a+15) =72(a)+80(15)
75a+1125=72a+1200
75a-72a=1125-1200
3a. = -75
a. =-75/-3
a. = 25