pamjo75 pamjo75
  • 16-10-2020
  • Mathematics
contestada

4. 4x+3y =-12
- 2x+3y=-18

Respuesta :

legoshes
legoshes legoshes
  • 16-10-2020

Answer:

x = -1 and y = 5.3

Step-by-step explanation:

4x + 3y = 12

2x - 3y = -18 (× -)

4x+ 2x = 12 + (-18)

6x = -6

x = -6/6

x = -1

4(-1) + 3y = 12

-4 + 3y = 12

3y = 12 + 4

3y = 16

y = 16/3

y = 5.3

Answer Link

Otras preguntas

Trapezoid WXYZ is isosceles. Angle WZY measures (8x – 3) and angle XYZ measures (7x + 2). Find the measure of angle WZY.
Can someone please answer. There is a picture. There is only one problem. Thank you so much!!!
What was one important discovery that the curies made?
The phrase "Rowing in Eden" is an example of which of these poetic devices
(-1/3,4) is the solution set of?
Casey is developing an essay about writing as a profession. She has used an interview conducted with Margaret Atwood as evidence in her paper and needs to cite
What are giant piles of mining waste called?
Who sets the salary of the president? a. citizens b. senate c. congress d. vice president
Which best describes the purpose of a control sample?
What reproductive process do bacteria use by forming two identical cells from one parent cell?