barnhart115 barnhart115
  • 04-06-2019
  • Mathematics
contestada

What is the solution to the system of equations? Use the linear combination method.
{2x−3y=9
{3x+5y=4

Respuesta :

nagichan
nagichan nagichan
  • 04-06-2019
1. {2x−3y=9
{3x+5y=4

2. {(2x−3y=9)×5
{(3x+5y=4)x3

3. {10x-15y=45
{9x+15y=12

4. (10x-15y=45) + (9x+15y=12)= (19x=57)

5. (19x=57)÷19

6. x=3

7. 2(3)-3y=9

8. 6-3y=9

9. -3y=9-6

10. (-3y=3)÷(-3)

11. y=-1

Answer: x=3 and y=-1
Answer Link

Otras preguntas

What are two equivalent fractions to 9/15
y=-4x - 4 I am in algebra 2 and this is changing an equation into standard form,ax+by=c​
Find the value of x and y I don’t know how
3.5 x 10^-3 as a regular number (convert from scientific notation to a real number)
What is the slope of a line with the cords (-3,2) (-1,-1)
The area of a rectangular rug is 12 3/4 square yards. The length of the rug is 5 2/3 yards. What is the width?
In a hydroelectric dam the potential energy of lake water is transformed into _ energy as it begins to more.
What was the purpose of adding the ceiling feature into a building
3. What is the relationship between the masses of the objects and the gravitational force between them? I foron hotuen the two obiects in this
What is the area of a parrallogrem