aleesec25 aleesec25
  • 10-04-2021
  • Mathematics
contestada

Solve using substitution x = 3y + 1 2x + 4y = 12​

Respuesta :

fnej
fnej fnej
  • 10-04-2021

Answer:

x = 4

y = 1

Step-by-step explanation:

x = 3y + 1 (Multiply everything by -2)

2x + 4y = 12​ (Transfer 4y to the right of the = sign)

2x = -4y + 12

-2x = -6y - 2

0 = -10y + 10

-10 = -10y

y = 1

x = 3y + 1

x = 3(1) + 1

x = 3 + 1

x = 4

Answer Link

Otras preguntas

What describes a step that each former Confederate state had to take to gain readmission to the Union? Select one: a. ratify the Fourteenth Amendment b. pay war
neurotransmitters carry nerve impulses across where
1)2 out of 7 students are boys. about what percent of students are boys? please help me with the question it is due tomorrow!!!!!!
How is interest similar to sales tax and markups? How is it different?
Donner le plus de synonymes possible au mot force et habileté
why is the answer to 6+1/5q=10 (20)
Why did Europe not see Roman-era numbers of men participating in battles until the 17th century?
Which best explains why Britain restricted trade with the colonies?
The banyan tree is a multicellular organism with differentiated cells. describe how this organism's specialized parts have helped it survive
Runners race around a rectangular park during the city marathon. The length of the park is 6 miles. The width of the park is 7 miles. Which is the correct un