wendy2712
wendy2712 wendy2712
  • 26-03-2017
  • Mathematics
contestada

Solve by linear combination
2x-y=6
x+y=6
I need all the work please

Respuesta :

rarrininger
rarrininger rarrininger
  • 29-03-2017
2x-y=6
x+y=6
-------------
3x = 12
3x/3 = 12/3
x = 4

x + y = 6
4 + y = 6
4-4 +y = 6 -4
y = 2

Check
2x - y = 6
2(4) - 2 = 6
8 - 2 =6
6=6
Answer Link

Otras preguntas

Name the following ester molecule:
Although I was to old to cry about the situation, tears threatened to spill down my cheeks anyway.
What does the Golgi body do with materials? A. destroy them B. transport them in and out of the cell C. create them D. hold them inside the cell
The addition of a choir for the finale of Beethoven's Symphony No. 9, "Ode to Joy,"
What is the Function of 3x +15
The plains indians embraced the ghost dance movement as a reaction to battling other tribes. living on reservations. gaining new lands. celebrating a harvest.
hurry ill give brainly
Complete the sentence with the correct form of the Future simple or be going to! Nobody in Kate’s team can play basketball. They _______ (lose) the match. Put
What are the steps to solving this equation8(4-x)=7x+2
the area of the triangle below is 1/4 square meters. what is the length of the base. express your answer in simplest form