SOLUTION: Solve the following systems by substitution please help 8x - 4y= 16 y = 2x - 4

Algebra ->  Linear-equations -> SOLUTION: Solve the following systems by substitution please help 8x - 4y= 16 y = 2x - 4       Log On


   



Question 91970: Solve the following systems by substitution please help
8x - 4y= 16
y = 2x - 4

Answer by homeworkhelpanytime(21) About Me  (Show Source):
You can put this solution on YOUR website!
8x - 4y= 16 ......(1)
y = 2x - 4 ......(2)
substituting the value y in equation (1)
8x - 4*(2x -4) = 16
8x - 8x -16 = 16
0=0
As the equation is true so these equation have infinitely many solutions as they coincide on each other.