davidsknnnn davidsknnnn
  • 23-04-2021
  • Mathematics
contestada

Solve the system of equations by substitution. * -8x + 2y = 4 y = 4x + 2 ​

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jcherry99
jcherry99 jcherry99
  • 23-04-2021

Answer:

Step-by-step explanation:

-8x + 2y = 4

y = 4x + 2

Put the value of y into the first equation

-8x + 2(4x + 2) = 4                 Remove the brackets

-8x + 8x + 4 = 4                    The 8xs cancel out.

4 = 4                                     But this is useless. There is no single solution

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