What is the solution of the equations 8x + 3y = 5 & 3x − 2y = 5 ?
Answers
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SOLUTION
TO DETERMINE
The solution of the equations
8x + 3y = 5 & 3x − 2y = 5
EVALUATION
Here the given system of equations are
8x + 3y = 5 - - - - - - - (1)
3x − 2y = 5 - - - - - - - (2)
Multiplying both sides of Equation 1 by 2 we get
16x + 6y = 10 - - - - - - (3)
Multiplying both sides of Equation 2 by 3 we get
9x - 6y = 15 - - - - - - (4)
Adding Equation 3 and Equation 4 we get
25x = 25
⇒ x = 1
Putting x = 1 in Equation 1 we get
8 + 3y = 5
⇒ 3y = 5 - 8
⇒ 3y = - 3
⇒ y = - 1
FINAL ANSWER
Hence the required solution is x = 1 , y = - 1
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