Solve the Following simultenous Linear equation using substitution method.
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Answer:
1) (a) x = 6, y = 1.
Step-by-step explanation:
x - y = 5....( 1 )
x + y = 7....( 2 )
( Cut + y and - y ),
We get,
=》2x = 12
=》x = 12 / 2
=》x = 6.
( Putting the value of x in ( 1 ),
x - y = 5
=》6 - y = 5
=》- y = 5 - 6
=》- y = - 1 ( Cut - and - )
=》y = 1.
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