# SOLUTION: Solve each of the following systems by substitution. 8x – 4y = 16 Y = 2x – 4

Algebra ->  Algebra  -> Coordinate Systems and Linear Equations  -> Lessons -> SOLUTION: Solve each of the following systems by substitution. 8x – 4y = 16 Y = 2x – 4      Log On

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 Click here to see ALL problems on Linear-systems Question 37158: Solve each of the following systems by substitution. 8x – 4y = 16 Y = 2x – 4Answer by fractalier(2101)   (Show Source): You can put this solution on YOUR website!We take the value for y in the second equation y = 2x – 4 and plug it in to the first equation 8x – 4y = 16 to get 8x - 4(2x – 4) = 16. Simplifying, we get 8x - 8x + 16 = 16 and 16 = 16. Since this is always true, for any value of x, we know that this is a dependent system with an infinite number of solutions.