Jawaban:
1. 5x - 3x + 2y + y =2x + 3y
2. -7a - 2a + 2b + 6b = -9a + 8b
3. a - 3a - 4b + 8b + 7 = -2a - 12b + 7
4. 7x²
5. x² - 8x² + 9x - x = 7x² + 8x
6. -3x² - 3x² - 7x + 2x = -5x
7. 2x² - 6x - 3x - 2 = 2x² - 9x -2
8. x² - 3x² - 8x + 8x + 4 = -2x² + 4
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Verified answer
Jawaban:
1. 5x - 3x + 2y + y =2x + 3y
2. -7a - 2a + 2b + 6b = -9a + 8b
3. a - 3a - 4b + 8b + 7 = -2a - 12b + 7
4. 7x²
5. x² - 8x² + 9x - x = 7x² + 8x
6. -3x² - 3x² - 7x + 2x = -5x
7. 2x² - 6x - 3x - 2 = 2x² - 9x -2
8. x² - 3x² - 8x + 8x + 4 = -2x² + 4