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

25 points for free give away this is the third gave away and only 17 left im gonna do.
what is a scientific investagation made under controlled conditions to test the validiy of a hypothesis
If 2 > -a then a < -2 true or false
18. Simplify this expression: 19 – (-8) - (-14) = ? А, 41 В. 25 с. -3 D. -7
Stage Directions is a language of directions given to the actors, by the director, that tells them ...what? * How to interpret the character What to wear Where
Solve the inequality for X. 4x224 Simplify your answer as much as possible.
what does SMR stand for?​
ARCHITECTURE An architect models the floor, walls, and ceiling of a building with planes. To locate one of the planes that will represent a wall, the architect
Simplify the expression (8^5)^0 + (7 + 3)^6 (10)^−8 .
Teens experience mental and emotional changes during adolescence because their brains experience significant changes before and during puberty. A. True B. False