solve the following pair of linear equation by the substitution method x+y=14 x-y=4
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solve the following pair of linear equation by the substitution method x+y=14 x-y=4
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Verified answer
Given :
x+y=14 and x-y=4
sol:
x+y=14......(1)
x-y=4........(2)
form equation (1), we get
x=14-y......(3)
putting this value in equation (2), we get
= (14-y)-y=4
= 14-2y=4
= 10=2y
= y =10/2
= y=5.....(4)
putting this in equation in .....(3), we get
x=9
x=9 , y=5.