barthkid48 barthkid48
  • 24-11-2022
  • Mathematics
contestada

Solve the system by substitution.
y = -6x +8
7x + 2y = -14

Respuesta :

kennethkwakye918
kennethkwakye918 kennethkwakye918
  • 24-11-2022

Answer:

y=-28 and x=6

Step-by-step explanation:

y=-6x+8...... eqn(1)

7x+2y=-14.......eqn(2)

Two times equation (1)

2y=-12x+16..... eqn(3)

2y=-14-7x........ eqn (2)

eqn(3) - eqn(2)

0=-5x+30

5x=30

x=6

from eqn (1) where x=6

y=-6(6)+8

y= -36+8

y=-28

Answer Link

Otras preguntas

Which equivalent expression would you set up to verify the associative property of addition for (3x + 4) + ((5x2 – 1) + (2x + 6)) (3x + 4) + (5x2 – 1) (5x2 – 1)
What did british colonists find so onerous about the acts that prime minister grenville passed?
A human born prematurely during the third trimester will be in the greatest danger due to what?
Write an equation of the line pictured in the graph
how do hutchinson and winthrop differ in their understanding of religous liberty
Analyze the social and economic impacts of the second industrial revolution
Ken is a very outgoing person. he makes friends easily, jokes with others, and is gullible (people love to play jokes on him because he is easily drawn into the
Interactive sites where users write about personal topics and comments to a threaded discussion are called
What is a one way the structure of the fly best reflects the poems literal meaning
1/7-3(3/7n-2/7) I need help solving this problem...