# SOLUTION: solve by substitution method 6x+7y=14 x= 25-4y

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 Click here to see ALL problems on Linear-systems Question 490530: solve by substitution method 6x+7y=14 x= 25-4yAnswer by mananth(12270)   (Show Source): You can put this solution on YOUR website!6 x + 7 y = 14 .............1 4 y = 25 -1 x ---------2 / 4 = y = 6.25 -0.25 x Substitute y in (1) 6 x + 7 ( 6.25 -0.25 x ) = 14 6 x + 43.75 + -1.75 x = 14 6 x -1.75 x = 14 -43.75 4.25 x = -29.75 / 4.25 x= -7 Plug the value of x in (1) 6 x + 7 y = 14 6 * -7 + 7 y = 14 -42 + 7 y = 14 7 y = 56 / 7 y= 8 m.ananth@hotmail.ca