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dit koef a=
koef b pangkat 7=
a=> -a = -1
jawaban c.
3. D.
4. B. 3x -3y
7x - 4y + 6 - 4x + y - 6 = 7x - 4x - 4y + y + 6 -6
= 3x -3y
5. A.
9 - 4(2x + 5) = 9 - 8x -20
=-8x-11
6. A.
(5ab + 2bc -d) + (3ab - 2bc + 6d) = 5ab +3ab + 2bc -2bc -d +6d
=8ab+5d
7. B.
-2(3p+2)-(2p+6)= -6p-4-2p-6
=-8p-10
8. D.
ga terima kasih = ga tau diri lol
jdiin jawaban trbaik yah.