f(x)=7-2x jika f(a)= -9 maka a-5=
Matematika
bella1124
Pertanyaan
f(x)=7-2x jika f(a)= -9 maka a-5=
2 Jawaban
-
1. Jawaban Anonyme
f(x) = 7 - 2x
f(a) = -9
7 - 2a = -9
7 + 9 = 2a
a = 16/2
a = 8
a - 5 = 8 - 5 = 3 ✓ -
2. Jawaban inayanabila
f(x)=7-2x
f(a)=7-2a= -9
= -2a = -9-7
= a = -16/-2
= a = 8
a-5
=8-5
=3