Solve the following system using the substitution method:
6x - 2y = -4
y = 3x + 2
Stacey Warren - Expert brainly.com
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In this case, substitute the expression 3x + 2 into the first equation to get:
6x - 2(3x + 2) = -4
Then simplify and isolate x. Afterwards, find the value of y.
thx but look here: http://www.wolframalpha.com/input/?i=6x+-+2%283x+%2B+2%29+%3D+-4
is it Inconsistent? Dependent? or are the coordinates? what would the answer be like?
thx so much!
Actually, the first thing I usually do before using any method is to simplify equations when necessary. We can simplify the first equation. When we do that we get:
3x - y = 2
That can be manipulated to get
3x + 2 = y
Which so happens to be the same line as the second equation. So no need to use substitution method since both equations are actually the same.
so which coordinate would that be? or would it be Inconsistent or
Dependent? thx by the way for your time. :D
Keywords: "since both equations are actually the same. "
so Inconsistent or
Inconsistent is like...
x+y = 1
and x + y =5
Dependent is like...
x+y = 1
2x + 2y= 2
Nope I'm bricked... :( Can you PLEASE provide the response! :(
what's the graphing lines? what's the coordinates?
or is it dependent? or inconsistent?