July 2023 1 11 Report
1) 7a -9b +6a -4b
2) 5a-6b+8c+9a-20c-b+6b-c
3) 5x -11y -9 +20x -1 -y
4) -6m +8n +5 -m -n -6m -11
5) 4p + 5p – 7p
6) -12 a + 4a + a – 8a
7) –x + 7.2 x + 2x – 3.5 x + 4x
8) 9x² - 3x + 5 x – 5 x²
9) x³ - x² + 4 x³ - x² + x²y – x y² + 2 – 3 x² y

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