1.-20b+3b 2.4a+5b-2a 3.8y+(-2b)-4y 4.12ab-9ab+4a 5.-20b-(-9b)-3y
Matematika
Nayladayut123
Pertanyaan
1.-20b+3b
2.4a+5b-2a
3.8y+(-2b)-4y
4.12ab-9ab+4a
5.-20b-(-9b)-3y
2.4a+5b-2a
3.8y+(-2b)-4y
4.12ab-9ab+4a
5.-20b-(-9b)-3y
1 Jawaban
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1. Jawaban Anonyme
Bab Aljabar
Matematika SMP Kelas VII
1] -20b + 3b = 3b - 20b = -20b + 3b = -17b
2] 4a + 5b - 2a = 4a - 2a + 5b = 2a + 5b
3] 8y - 2b - 4y = 8y - 4y - 2b = 4y - 2b
4] 12ab - 9ab + 4a = 3ab + 4a = a (3b + 4)
5] -20b - (-9b) - 3y = -20b + 9b - 3y = -11b - 3