3 years ago

How many solutions does the system have? x = -4y + 4 2x + 8y = 8

1 answer:

7 0

Solutions

To solve the system lets use substitution

$2x+8y=8$

$2(-4y+4)+8y=8$

$8=8$

This is a dependent system.

------------ Now lets solve the same system using Elimination

Our first step will be to multiply the given system by 2

$2x+8y=8

2x+8y=8$

$0=0$

There are Infinitely Many Solutions

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