Jawaban:
3.
a. 62n + 85m - 2
b. 4x + 4
c. -2y + 15z + 8
4. (5z + 3) - (2z - 7) = 3z + 10
5. (6x + 4) - (x - y) = 5x + y + 4
6.
a. (5x - 9) - (7x + 15y) = -2x - 15y - 9
b. (5y - 3x - 4) - (5x - 3y + 7) = 8y - 8x - 11
c. (5x² - 9xy - 4y²) - (-x² - 6xy + 3y²) = 6x² - 3xy - 7y²
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Jawaban:
3.
a. 62n + 85m - 2
b. 4x + 4
c. -2y + 15z + 8
4. (5z + 3) - (2z - 7) = 3z + 10
5. (6x + 4) - (x - y) = 5x + y + 4
6.
a. (5x - 9) - (7x + 15y) = -2x - 15y - 9
b. (5y - 3x - 4) - (5x - 3y + 7) = 8y - 8x - 11
c. (5x² - 9xy - 4y²) - (-x² - 6xy + 3y²) = 6x² - 3xy - 7y²