sierrakemp9931 sierrakemp9931
  • 12-02-2018
  • Mathematics
contestada

Please explain how to do this step by step, using elimination

Please explain how to do this step by step using elimination class=

Respuesta :

alaixa
alaixa alaixa
  • 12-02-2018
x - y = 4

-y = -x + 4

-y ÷ -1 = (-x ÷ -1) + (4 ÷ -1)

y = x - 4 (y equals the entire ending equation)

___________________

x - 2y = 10

-2y = -x + 10

-2y / -2 = (-x ÷ -2) + (10 ÷ -2)

y = 0.5x + -5 (y equals the entire ending equation)

x doesn't have an equality on these kinds of equations



Answer Link

Otras preguntas

What was the cause of world war 2
M∠9 = 6x and m∠11 = 120, find the value x so that line c is parallel to line d a 20 b 30 c 114 d 15
The recangular triangles are a=9cm and b=12cm find the length of the hipotenuse d
Evaluate ∫ xe2x dx. A. 1/6x2 e3x + C B. 1/2xe2x - 1/2 xe2x + C C. 1/2xe2x - 1/4 e2x + C D. 1/2x2 - 1/8 e4x + C
Which best describes the purpose of the polymerase chain reaction (PCR)?
Question 7 Unsaved ¿Qué es "el atole"? (1 point) Question 7 options: 1) una bebida 2) una carne 3) un vegetal 4) un postre
Candace purchased a car for her company's exclusive use. the value of this car: question 4 options: is constant over time. increases with each use of the asset.
Chips numbered 1 through 45 are shuffled in a basket. One chip is randomly selected. What is the probability of selecting a number that is a multiple of 4? A)
Which expression is equivalent to 5y + y - 2y? 5y + 3y 8y 4y 3y
Mike is taking a health class his senior year. he is surprised to learn that, compared to teens, condom usage rates actually ________ in the older 18–24 age gro