1.

Solve the following simultaneous equations.(1) 3a + 5b = 26; a + 5b = 22(2) x + 7y = 10; 3x – 2y = 7(3) 2x – 3y = 9; 2x + y = 13(4) 5m – 3n = 19; m – 6n = –7(5) 5x + 2y = –3; x + 5y = 4(6) 13x+y=103; 2x+14y=114(7) 99x + 101y = 499; 101x + 99y = 501(8) 49x – 57y = 172; 57x – 49y = 252

Answer» Solve the following simultaneous equations.

(1) 3a + 5b = 26; a + 5b = 22

(2) x + 7y = 10; 3x – 2y = 7

(3) 2x – 3y = 9; 2x + y = 13

(4) 5m – 3n = 19; m – 6n = –7

(5) 5x + 2y = –3; x + 5y = 4

(6) 13x+y=103; 2x+14y=114

(7) 99x + 101y = 499; 101x + 99y = 501

(8) 49x – 57y = 172; 57x – 49y = 252


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