Question

solve the following equation in graphically: 3x-5y=16 and 2x-9y=5​

Answer 1

Answer:

x = 7

Step-by-step explanation:

3x - 5y = 16  

2x - 9y = 5  

By Elimination Method :

On Multiplying by 2 and 3 in equation (1) and (2) respectively :

6x - 10y = 32

6x -27y = 15

(-) (+) (-)

On subtracting :

17y = 17

=> y = 1

On putting the value of y in equation (1) :

3x - 5(1) = 16

=> 3x = 16 + 5

=> 3x = 21

=> x = 7

Answer 2

Answer:

In both x = 7

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