Question

elimination method x+y=4 6x--3y=9​

Answer 1

Answer:

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Answer 2

Answer:

x = 7/3 ,   y= 15/9

Step-by-step explanation:

x+y=4         ...................( 1 )    

6x--3y=9​    ..................( 2 )

Multiply equation 1 by 3

3x + 3y = 12 .................( 3 )

equation 3 + equation 2

3x + 3y = 12

6x --3y  =9​

=9x = 21

thus, x = 21/9 = 7/3

substitute value of x in equation 1

7/3 + y = 4

y = 4 - 7/3

thus, y= 5/3

Hope this helps :)