# SOLUTION: Use the method of substitution to solve the system of linear equations. 2x-y=4 9x-4y=21 The solution is ______. Please show work! Thank you This what I have tried t

Algebra ->  Algebra  -> Coordinate Systems and Linear Equations -> SOLUTION: Use the method of substitution to solve the system of linear equations. 2x-y=4 9x-4y=21 The solution is ______. Please show work! Thank you This what I have tried t      Log On

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 Click here to see ALL problems on Linear-systems Question 631566: Use the method of substitution to solve the system of linear equations. 2x-y=4 9x-4y=21 The solution is ______. Please show work! Thank you This what I have tried thus far: 2x-y=4 y=2x-4 9x-4y=21 9x-4(2x-4)=21 Found 2 solutions by richwmiller, stanbon:Answer by richwmiller(9144)   (Show Source): You can put this solution on YOUR website!So keep going. Answer by stanbon(57967)   (Show Source): You can put this solution on YOUR website!2x-y=4 y=2x-4 9x-4y=21 9x-4(2x-4)=21 ------ 9x-8x+16 = 21 x = 5 ---- Xolve for "y": y = 2x-4 y = 2*5-4 = 6 ======================= Cheers, Stan H.