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

what r some facts about gymnosperms
Resolve the following two forces into horizontal and vertical components.
I just need some basic facts about john green, thanks xxx
Earth's population continues to grow daily. Which of the following statements best illustrates a possible consequence of such rapid growth?
how do i get group B strep?
How many times larger is 220 than 22
What is a well-mixed mixture that contains a solvent and at least one solute
there are 798 calories in six 10-ounce bottles of apple juice. How many calories are there in one 10-ounce bottle of apple juice
Solve each system of linear equations by substitution. 3x - 2y = 9 y = 2x - 7 Pease show all steps
PLEASE HELP!!!! WILL GIVE AWARD!! Which statement about the Persian empire is true? Select the best answer to the questions below from the choices provided. Bab