f(a)=3(a)-2=19 cari nilai a??
Matematika
tricahya4
Pertanyaan
f(a)=3(a)-2=19 cari nilai a??
2 Jawaban
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1. Jawaban andri77
3a-2=19
3a=19+2
a=21/3
a=7
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2. Jawaban cupid85
f(a) = 3(a) - 2
19 = 3a - 2
19 + 2 = 3a
3a = 21
a = 21 ÷ 3
a = 7