2. Solve the following simultaneous equations.
(1) 3a + 3b = 26; a + 5b = 22 (2) x
(3) 2x - 3y = 9; 2x + y = 13 (4) 5m
(5) 5x + 2y = -3; x + 5y = 4 (6)
(7) 99x + 101y = 499; 101x + 99y = 501
1
3
(8) 49x - 57y = 172; 57x - 49y = 252
Let's recall.
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