QQ.न 6 समीकरण को हल कीजिए (विलोपन विधि से)
4x-5y= 20 और 3x+5y=15
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Step-by-step explanation:
SOLUTION
TO DETERMINE
Solve using the deletion method
4x - 5y = 20
3x + 5y = 15
EVALUATION
Here the given system of equations are
4x - 5y = 20 - - - - - (1)
3x + 5y = 15 - - - - - (2)
Adding Equation 1 & Equation 2 we get
7x = 35
⇒ x = 5
Putting the value of x in Equation 1 we get
( 4 × 5 ) - 5y = 20
⇒ 20 - 5y = 20
⇒ - 5y = 0
⇒ y = 0
FINAL ANSWER
Hence the required solution is
x = 5 , y = 0
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