a. (4a – 3) + (5a + 6)
b. (2x – 5) + (3x – 4)
c. (3m – 4) + (4m + 3)
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Jawaban Terkonfirmasi
1. 9a +3
2. 5x -9
3. 7m -1
A. (4a – 3) + (5a+6)
4a + 5a + (-3) + 6 = 9a + 6
b. (2x – 5) + (3x – 4)
2x + 3x + (-5) + (-4) = 5x – 9
c. (3m – 4) + (4m + 3)
3m + 4m + (-4) + 3 = 7m – 1