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Grade: 11
        
fin the value of X-Y //fin the value of X-Y //fin the value of X-Y
one month ago

Answers : (2)

Vikas TU
9225 Points
							
Dear student 
4+ y =0 
and 
x+ 1 = 5 
So ,y =-4 and x =4 
X -y = 4-(-4) = 8 
Hope this helps 
Good luck 
Cheers 
 
one month ago
Aditya Gupta
1696 Points
							
hello tech mirror, as usual vikas has given you the wrong ans, which clearly shows poor quality of his answers. the correct method is as follows:
since the first matrix is multiplied by 2, its elements become 6, 8, 10 and 2x. after adding the second matrix, the final elements become 6+1, 8+y, 10+0, 2x+1, which must be equal to 7, 0, 10, 5 respectively.
so, 8+y= 0 and 2x+1= 5
or y= – 8 and x= 2
so x – y= 10
kindly approve :)
one month ago
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