tentukan nilai bentuk aljabar berikut dengan nilai x = 3 berikut
a. 2x - 6
b. 8 - 5x
a. 2(3) - 6
= (2 × 3) - 6
= 6 - 6
= 0
b. 8 - 5(3)
= 8 - (5 × 3)
= 8 - 15
= -7
x = 3
= 2(3) - 6
= 8 - 5(3)
Mapel: Matematika
Kelas. : 7
Materi : Nilai aljabar
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Verified answer
tentukan nilai bentuk aljabar berikut dengan nilai x = 3 berikut
a. 2x - 6
b. 8 - 5x
a. 2(3) - 6
= (2 × 3) - 6
= 6 - 6
= 0
b. 8 - 5(3)
= 8 - (5 × 3)
= 8 - 15
= -7
Penyelesaian
x = 3
a. 2x - 6
= 2(3) - 6
= 6 - 6
= 0
b. 8 - 5x
= 8 - 5(3)
= 8 - 15
= -7
Mapel: Matematika
Kelas. : 7
Materi : Nilai aljabar