3х - у = 23
х/ 3+ y/4 = 4 use the method of elimination
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Answer:
Step-by-step explanation:
3x - y = 23 --------1
x/3 + y/4 = 4 ---------2
solving for 2-
x/3 + y/4 = 4
LCM = 12
4x + 3y = 48
taking 1 and 2
3x - y = 23
4x + 3y = 48
(3x - y = 23)3
4x + 3y = 48
9x -3y = 69
4x + 3y = 48
13x = 117
Therefore x = 9 -------3
substituting 3 in 2
4(9) + 3y = 48
36 +3y =48
3y = 12
Therefore y 4
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