20022005
20022005 20022005
  • 20-05-2020
  • Mathematics
contestada

Solving by elimination

Solving by elimination class=

Respuesta :

Bossenator12
Bossenator12 Bossenator12
  • 20-05-2020

Answer:

x = 3

y = 6

Step-by-step explanation:

(-4x - y = -18)

2 (2x + 3y = 24)

-4x - y = -18

4x + 6y = 48

5 / 5y = 30 / 5

y = 6

______________________

-4x - (6) = -18

-4x - 6 + 6 = -18 + 6

-4x = -12

-4x / 4 = -12 / 4

x = 3

Answer Link

Otras preguntas

which of these geometry terms best describes an unsharpened pencil? a. ray b.line segment c. point d.plane
jack, jill and bill each carried a 48-ounce bucket full of water down the hill.  By the time they reached the bottom, jack's bucket was only 3/4 full, jill's wa
how do you convert 3 1/2 to fraction notation also 9 7/8
Jessica is making 2 loaves of banana bread. She needs 3/4 cup of sugar for each loaf. Her measuring cup can only hold 1/4 cup of sugar. How many times will Jess
how do you convert 3 1/2 to fraction notation also 9 7/8
Mathilde has 20 pints of green paint.  She uses 2/5 of it to paint a landscape and 3\10 of it while painting a clover.  She decides that for her next painting s
Kim and Courtney share a 16-ounce box of cereal. By dthe end of the week, kim has eaten 3/8 of the box, and Courtney has eaten 1/4of the box of cereal. What fra
Calculate the number of moles 9.00 g of H2O 88.0 g of CO2 1.70 g of NH3
What percent of 1270 is 375?
Suppose that you hear a clap of thunder 16.2 s (seconds) after seeing the associated lightning stroke. The speed of sound waves in air is 343 m/s and the speed