sandraaaT sandraaaT 20-02-2018 Mathematics contestada Match 1234 to abcd 1. 5x + 5y - 5 2. 2x + 9y - 7x + 5 - 4y - 10 3. 5x + 10y - 10x + 5y - 15 + 20 4. -5 + 10x - 7y + 10 - 3y + 5x a. -5x + 5y - 5 b. = -5x + 15y + 5 c. = 15x - 10y + 5 d. 5x + 5y - 5