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

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04-06-2019
Mathematics

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

Respuesta :

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nagichan nagichan · Answer 1 · 2019-06-04T08:42:00+02:00

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

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

Respuesta :

Otras preguntas

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