Jawabanmu

2014-09-03T12:11:28+07:00
A. 25a+b
b. -5m+11n+10

a.4x+2
b. 2y+7
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Jawaban paling cerdas!
2014-09-03T12:13:20+07:00
A. 13a + 12a - 8b + 9b 
   = 25a + b
b. 3m - 8m + 4n+ 7n + 10
   = - 5m +11n + 10

a. 5x + 3 - x - 1
  = 5x - x + 3 - 1
  = 4x + 2
b. 2y + 15 - 4y - 8 
  = 2y - 4y + 15 - 8
  = - 2y + 7 

(coba di cek lagi ^-^)

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