sophiaaxmath sophiaaxmath
  • 03-01-2017
  • Mathematics
contestada

4x+12=-7y
-y+12=4x

PLS HELP!!!!
Addition/ Elimination method

Respuesta :

Аноним Аноним
  • 03-01-2017
4×+7y=-12 __ -4x-y=-12 ________ 0x+6y=-24 , so you eleminated by it self 6y/6=-24/6 , you get : y=-4 and then you plug in 4x+7(-4)=-12 , that's your answer 4x-28 =-12 , you divided in both side 4x=-12+28 , 4x=16 , and then x=16/4 =4 , so x=4
Answer Link

Otras preguntas

Compute the odds in favor of rolling a sum of 10 in a single roll of two fair dice
I just need the equation on how to do it. I'm so lost :'( help please!!!!!!
I just need the equation on how to do it. I'm so lost :'( help please!!!!!!
Two diverging light rays, originating from the same point, have an angle of 5° between them. After the rays reflect from a plane mirror, what is the angle betwe
List all integers between -0.6 and 4.17 THANK U
wats the 60% off a prize that is $20.00
take 2 identical bowls filled with water.shine a spotlight on one and place one away from the spotlight in the same room. which shows higher evaporation and why
What are the operation sines that make this statement correct? 3_5_7_18_3=14
You would expect a phosphorous-chlorine bond to be 1. nonpolar, with the neither end having a partial charge. 2. polar, with neither end having a partial charge
what is force ?is it desirable or undesirable?