solve for x and y by elimination method
a) x+y=14
x-y=4
Answers
Answered by
140
x + y = 14
x - y = 4
(by adding)
2x = 18
x = 18/2
x = 9
(putting the value of x)
x + y = 14
(9) + y = 14
y = 14 - 9
y = 5
x - y = 4
(by adding)
2x = 18
x = 18/2
x = 9
(putting the value of x)
x + y = 14
(9) + y = 14
y = 14 - 9
y = 5
siddhartharao77:
check it once
Answered by
141
Hello Dear!!!
Here's your answer....
x+y=14
Let this equation be equation 1
x-y=4
Let this equation be equation 2.
Solve equation 1 and 2
You can either add or subtract the equations.
Let us subtract the equation...
x+y=14
x-y=4
_______
2y=10
y=10/2
Y=5
Substitute y=5 in equation 1
x+y=14
x+5=14
x=14-5
x=9
So, x=9 and y =5
_____________________________
HOPE THIS HELPS YOU...
Here's your answer....
x+y=14
Let this equation be equation 1
x-y=4
Let this equation be equation 2.
Solve equation 1 and 2
You can either add or subtract the equations.
Let us subtract the equation...
x+y=14
x-y=4
_______
2y=10
y=10/2
Y=5
Substitute y=5 in equation 1
x+y=14
x+5=14
x=14-5
x=9
So, x=9 and y =5
_____________________________
HOPE THIS HELPS YOU...
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