Find X + Y if 12x + 25 Y = 108 ;25 x + 12Y = 77 (A) 3. (B) 5. (c)8.
(D) - 5.
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Step-by-step explanation:
12x+25y-108=0. (I
25x+12y-77=0. (ii
adding this equation
-37x-37y=185
-37(x+y)= 185
x+y = 185/-37
x+y= -5
Answer.
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