Question

following Simultaneous equation
4x + 3y = 10 ; x+3y= 7​

Answer 1

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Answer 2

Answer:

4x + 3y = 10 ; x + 3y = 7

x + 3y= 7

x= 7- 3y_( 1 )

4x + 3y = 10

4 (7-3y )+3y = 10

28 - 12y + 3y = 10

- 9y = 10 - 28

- 9y = - 18

y = 2

substitute y in equation 4x + 3y= 10

4x + 3 (2) = 10

4x = 10-6

4x= 4

x= 1