(1) 3x – 4y = 10; 4x + 3y = 5
Solution:
(2) 4x + 3y – 4 = 0; 6x = 8 – 5y
Solution:
(3) x + 2y = –1; 2x – 3y = 12
Solution:
(4) 6x – 4y = –12; 8x – 3y = –2
Solution:
(5) 4m + 6n = 54; 3m + 2n = 28
Solution:
(6) 2x + 3y = 2; x – y/2 = ½
Solution: