x/6+y/15=4;x/3-y/12=19/4
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Explanation:
X/6+y/15=4
X/3-y/12=19/4
=5x+2y=120____eq1
4x-y=57__-_-eq2
Eq*4
Eq*5
20x+8y=480____eq3
20x-5y=285_____eq4
Eq3-eq4
Y=15
Put the value of y in eq1
X=18
This the answer
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