Solve the pair of linear equation by the elimination method x+y=9 and x-y=5
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Answer:
y=2
x=7
Step-by-step explanation:
x+y=9
(-)x-y=5
-------------
2y=4
y=4/2
therefore,y=2
substitute y in any of the equation.
x+2=9
x=9-2
therefore x=7
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