queenbrookie4l queenbrookie4l
  • 01-12-2020
  • Mathematics
contestada

solve by using elimination 2x-6y=18 -2x + 4y = -6 ( , )

Respuesta :

2022110
2022110 2022110
  • 01-12-2020

Answer:

x = -9,

y = -6

Step-by-step explanation:

2x - 6y =18

-2x + 4y = -6

you can add the equations together as is and eliminate x

-2y = 12

y = -6

then plug back in,

2x - 6(-6) = 18

2x + 36 = 18

2x = -18

x= -9

Answer Link

Otras preguntas

can anyone help me please
Label each point on the number line with the correct value. Click each dot on the image to select an answer. Choices: \dfrac{1}{9} 9 1 ​ start fraction, 1, d
I need a speech about water and it needs to be between 1 and 2 minutes long
Which of the following is an integer? -50 -1/2 -.5 -.50
by completing the square method, solve 2q - 3 / 5 = 2(2q - 3) / 3q.​Question 2if f(x) = x⁴ + px³ - 2x² + qx - 8 is divisible by x² - 4. find the values of p and
Surface area of s triangular prism dimensions 10 m 7m 8m 6m​
Patrick bought 54 inches of material that cost $3.40 for one. Yard. What change did he get if he paid for the material with $20 bill?
Which statement describes one of the main impacts of deforestation? A. Decrease in sea levels B. Decrease in global warming C. Decrease in carbon monoxide emiss
what happens to the current in a circuit when you close the switch?
Complete the equation of the line whose slope is -2 and y intercept is (0,3).