vaehparks2005 vaehparks2005
  • 22-03-2021
  • Mathematics
contestada

solve the system of equations-6x+7y=9 and 2x-2y=-4

Respuesta :

Аноним Аноним
  • 22-03-2021

Answer:

y = -3 and x = -5

Step-by-step explanation:

Hi,

-6x + 7y = 9

2x - 2y = -4

Multiply the bottm equation by 3...

-6x + 7y = 9

6x - 6y = -12

Add...

y = -3

Now...

2x - 2 (-3) = -4

2x + 6 = -4

2x = -10

x = -5

Answer...

y = -3 and x = -5

Answer Link

Otras preguntas

PLZ HELP ME ANSWER THIS
Why did African Americans begin to change political parties?
Solve the quadratic equation: x^2+4x+17=8-2x
Question 5 (1 point) A barrel contains 1256 liters of water. Water is leaking out of the barrel at a rate of 3 liters per minute. At this rate, how many liters
PLZZZZZZ HELP WILL MARK BRAINLEST 50 POINTS b. Interactions among all ____ systems occur in soil, and the soil plays important roles in the ________________ cyc
5 paragraph essay on “Social Distance Learning Experience” 20 sentences or longer. I will mark brainiest if it’s 20 or longer. I really need help this is due in
The table shows the circumference of a tree in centimeters, y, at x years. Choose the function that represents the data.The table shows the circumference of
Twelve and sixty-eighty thousandths
I really need help please !!!
If something is easy to sell and turn into money, it is A. Fixed B. Receivable C. llliquid D. Liquid Please select the best answer from the choices provided