f (x) = 15x - 21 a.) f (x) = 9 maka x?
Matematika
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Pertanyaan
f (x) = 15x - 21 a.) f (x) = 9 maka x?
1 Jawaban
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1. Jawaban TheV10
f(x) = 15x -21
f(x) = 15x - 21 = 9
f(x) = 15x = 30
x= 30/15 = 2