what is the answer to the following equation? y-3x=-4 and y=2x-1
Stacey Warren - Expert brainly.com
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You are looking for "The intersection of two lines".
If you would like to do so algebraically:
Now subtract 2x from both sides
Now add 4 to both sides
Now substitute x=3 into y = 2x-1
You should see this by graphing as well. On your calculator:
And see that they intersect at the point (3,5).
Hope this helps.
what is the answer to the following equation? 3x+6y=0 and y=4x+9
Mouse -- did you understand my answer to your original question?
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Mouse -- were there any parts of the answer that made sense?
yes like the first part of it but then i got confused.
Ok. That's a good start! :) If you can let me know exactly where it started to get confusing... I can help you.
its starts getting confusing when you have to substitute.
So you understand how I got x=3?
Once we have x = 3, then we can take that value of x (which is half the answer, we're looking for an x and a y) and insert it into either of the original equations. That lets us solve for y.