04-06-2018
Mathematics

contestada

slove the system of equations 3x-7y=5 and 9y=5x+5

Respuesta :

jinc0930 jinc0930

04-06-2018

3x-7y=5

9y=5x+5
-5x+9y=5

3x-7y=-5x+9y
8x=16y
x=16y/8
x=2y

3(2y)-7y=5
-1y=5
y=-5

-5(9)=5x+5
-45-5=5x
x=-10

Answer Link

Otras preguntas

Disciplinary action in an ethics hearing can include.

You are caring for an infant that has just returned from the catheterization lab. The infant had a radio-frequency (RF) procedure to open his pulmonary valve. Y

The bac is a measurement of the amount of alcohol in:.

Question 4 multiple choice answer for me

What are the recommended steps to take to reduce germs when washing your hands?

Please help me please

Clint is interested in making an offer on a house with hardwood floors that will need to be replaced. The hallway is 18 feet by 6 feet. The kitchen is 20 feet b

How would I solve this?

A box 10 centimeters high, 5 centimeters long, and 5 centimeters wide.Find the volume of a box with a length of 5 cm, a width of 5 cm, and a height of 10 cm.

Please help/show work! how many grams of n2 has gave a volume of 11.2 liters at stp? ideal gas law