(і)
x+y=7
3х - 2y =11
Answers
x=7-y
7-y3x-2y=11
7-y3x-2y=113×(7-y)-2y=11
7-y3x-2y=113×(7-y)-2y=1121-3y-2y=11
7-y3x-2y=113×(7-y)-2y=1121-3y-2y=11-5y=-21+11
7-y3x-2y=113×(7-y)-2y=1121-3y-2y=11-5y=-21+11-5y=-10
7-y3x-2y=113×(7-y)-2y=1121-3y-2y=11-5y=-21+11-5y=-10y=2
7-y3x-2y=113×(7-y)-2y=1121-3y-2y=11-5y=-21+11-5y=-10y=2x= 5 and Y= 2
7-y3x-2y=113×(7-y)-2y=1121-3y-2y=11-5y=-21+11-5y=-10y=2x= 5 and Y= 2X + Y = 7
7-y3x-2y=113×(7-y)-2y=1121-3y-2y=11-5y=-21+11-5y=-10y=2x= 5 and Y= 2X + Y = 7=> X = 7-Y ----(1)
7-y3x-2y=113×(7-y)-2y=1121-3y-2y=11-5y=-21+11-5y=-10y=2x= 5 and Y= 2X + Y = 7=> X = 7-Y ----(1)3x - 2y = 11-----(2)
7-y3x-2y=113×(7-y)-2y=1121-3y-2y=11-5y=-21+11-5y=-10y=2x= 5 and Y= 2X + Y = 7=> X = 7-Y ----(1)3x - 2y = 11-----(2)Putting the value of x from (1) in (2),
7-y3x-2y=113×(7-y)-2y=1121-3y-2y=11-5y=-21+11-5y=-10y=2x= 5 and Y= 2X + Y = 7=> X = 7-Y ----(1)3x - 2y = 11-----(2)Putting the value of x from (1) in (2),3(7-y) -2y = 11
7-y3x-2y=113×(7-y)-2y=1121-3y-2y=11-5y=-21+11-5y=-10y=2x= 5 and Y= 2X + Y = 7=> X = 7-Y ----(1)3x - 2y = 11-----(2)Putting the value of x from (1) in (2),3(7-y) -2y = 1121 -3y -2y = 11
7-y3x-2y=113×(7-y)-2y=1121-3y-2y=11-5y=-21+11-5y=-10y=2x= 5 and Y= 2X + Y = 7=> X = 7-Y ----(1)3x - 2y = 11-----(2)Putting the value of x from (1) in (2),3(7-y) -2y = 1121 -3y -2y = 1121 -5y = 11
7-y3x-2y=113×(7-y)-2y=1121-3y-2y=11-5y=-21+11-5y=-10y=2x= 5 and Y= 2X + Y = 7=> X = 7-Y ----(1)3x - 2y = 11-----(2)Putting the value of x from (1) in (2),3(7-y) -2y = 1121 -3y -2y = 1121 -5y = 115y = 21 -11
7-y3x-2y=113×(7-y)-2y=1121-3y-2y=11-5y=-21+11-5y=-10y=2x= 5 and Y= 2X + Y = 7=> X = 7-Y ----(1)3x - 2y = 11-----(2)Putting the value of x from (1) in (2),3(7-y) -2y = 1121 -3y -2y = 1121 -5y = 115y = 21 -115y = 10
7-y3x-2y=113×(7-y)-2y=1121-3y-2y=11-5y=-21+11-5y=-10y=2x= 5 and Y= 2X + Y = 7=> X = 7-Y ----(1)3x - 2y = 11-----(2)Putting the value of x from (1) in (2),3(7-y) -2y = 1121 -3y -2y = 1121 -5y = 115y = 21 -115y = 10y = 2
7-y3x-2y=113×(7-y)-2y=1121-3y-2y=11-5y=-21+11-5y=-10y=2x= 5 and Y= 2X + Y = 7=> X = 7-Y ----(1)3x - 2y = 11-----(2)Putting the value of x from (1) in (2),3(7-y) -2y = 1121 -3y -2y = 1121 -5y = 115y = 21 -115y = 10y = 2Putting the Value of y in (1),
7-y3x-2y=113×(7-y)-2y=1121-3y-2y=11-5y=-21+11-5y=-10y=2x= 5 and Y= 2X + Y = 7=> X = 7-Y ----(1)3x - 2y = 11-----(2)Putting the value of x from (1) in (2),3(7-y) -2y = 1121 -3y -2y = 1121 -5y = 115y = 21 -115y = 10y = 2Putting the Value of y in (1),x= 7-2
7-y3x-2y=113×(7-y)-2y=1121-3y-2y=11-5y=-21+11-5y=-10y=2x= 5 and Y= 2X + Y = 7=> X = 7-Y ----(1)3x - 2y = 11-----(2)Putting the value of x from (1) in (2),3(7-y) -2y = 1121 -3y -2y = 1121 -5y = 115y = 21 -115y = 10y = 2Putting the Value of y in (1),x= 7-2=> X= 5
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Answer:
X = 5
Y = 2
Step-by-step explanation: