HeatherLynch
HeatherLynch HeatherLynch
  • 23-02-2016
  • Mathematics
contestada

Solve the system of linear equations by elimination. 3x−2y=4 6x−2y=−2

Respuesta :

Аноним Аноним
  • 23-02-2016
3x-2y=4 ---> Multiply -2
-6x+4y=-8

-6x+4y=-8
6x-2y=-2
+_______
6x-6x+4y-2y=-8-2
2y=-10
y=-5

for y=-5;
3x-2y=4
3x-2*(-5)=4
3x+10=4
3x=4-10
3x=-6
x=-2
Answer Link
Robloxgaming33k
Robloxgaming33k Robloxgaming33k
  • 03-11-2020

Answer:

x=-2

Step-by-step explanation:

3x-2y=4 ---> Multiply -2

-6x+4y=-8

-6x+4y=-8

6x-2y=-2

+_______

6x-6x+4y-2y=-8-2

2y=-10

y=-5

for y=-5;

3x-2y=4

3x-2*(-5)=4

3x+10=4

3x=4-10

3x=-6

x=-2

Answer Link

Otras preguntas

Which best word did robe the tone of samuels memory
((81x^3 y^(-1/3))^1/4)/(x^2 y)^1/4 simplify
Which of these is the adjusting entry to record $600 depreciation on equipment?
If a company’s revenues are higher than its expenses, it will cause A. an increase in owner’s equity. B. a decrease in owner’s equity. C. an increase
who elects the prime minister in a parliamentary system of representative democracy
Would a geologist ask a biochemist to help identify the minerals in a rock?
Which property of equality would you use to solve the equation 14x=56
Which expression represents this word phrase? eight less than the quotient of x and 3 x−83 8−x3 x3−8 3x−8
What is the largest spherical organelle responsible for the control of all cellular process?
What is the purpose of Douglass describing the better treatment of the city slaves compared to the plantation slaves in the Narrative of the Life of Frederick D