Penjelasan dengan langkah-langkah:
1. 5x - 4 + 3x - 6
= 5x + 3x - 4 - 6
= 8x - 10
3. 3a + 5 - 2a + 8
= 3a - 2a + 5 + 8
= a + 13
5. -7 + 5x + 2 - 5x
= -7 + 2 + 5x - 5x
= -5
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Penjelasan dengan langkah-langkah:
1. 5x - 4 + 3x - 6
= 5x + 3x - 4 - 6
= 8x - 10
3. 3a + 5 - 2a + 8
= 3a - 2a + 5 + 8
= a + 13
5. -7 + 5x + 2 - 5x
= -7 + 2 + 5x - 5x
= -5