Math, asked by chelakdevendra317, 20 days ago

तुलनात्मक विधि से हल करो : Solve by con
1. 3x +y= 13; 3y-x=9

Answers

Answered by mainakganguly21
0

Step-by-step explanation:

3x+y= 13

,x+y=13/3

,y=13/3 -x

3y-x=9

,y-x=9/3

,y=3+x

13/3-x = 3+x

,13-x=9+x

,-x-x= -13+9

,-2x= -4

,x=2

y=3+x

,y=3+2

=5

x=2 y=5

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