d) (-3a – 5) – (-9a – 7)
Jawaban :
a) 3a + 1 + 5a – 8 = 8a – 7
b) 2x – 4 – x + 6 = x + 2
c) x – 7 + 8x – 3 = 9x – 10
d) -3a – 5 + 9a + 7 = 6a + 2
5. Sederhanakanlah.
a) 4a × (-2)
b) (-6) × (-5x)
c) 2(3x – 7)
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Senin, 1 Juli 2024 -
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d) (-3a – 5) – (-9a – 7)
Jawaban :
a) 3a + 1 + 5a – 8 = 8a – 7
b) 2x – 4 – x + 6 = x + 2
c) x – 7 + 8x – 3 = 9x – 10
d) -3a – 5 + 9a + 7 = 6a + 2
5. Sederhanakanlah.
a) 4a × (-2)
b) (-6) × (-5x)
c) 2(3x – 7)
Editor: Ajeng R H
Sumber: buku.kemdikbud.go.id
