Freak the mighty, can someone help me with this? its due very recent and my teacher hasnt given me the book or anything to help me

substitute y = 2x - 4 to x + 2y = 12:

x + 2(2x - 4) = 12     use distributive property

x + (2)(2x) + () = 12

x + 4x - 8 = 12     add 8 to both sides

5x = 20     divide both sides by 5

x = 4

put the value of x to the first equation:

y = 2(4) - 4

y = 8 - 4

y = 4

hello there! there might be some substitutes that dont have experience with students. they only register for having a job. depends maybe on the old people or younger people

hope this

are you kidding? from that description of two mansions, you can't figure out which one is bleak and desolate? maybe you should consider looking those words up in a dictionary, if you don't know what they mean already.

what's the question? do you want someone to write your essay for you?