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

the role women play in the fight against apartheid?​
Roderick works as an architectural draftsman for an engineering firm. His monthly salary is $3,204.17. After taxes and other deductions, he takes home $2,317.56
Prepared speech: the most dangerous or interesting job​
QUESTION 4 Which of the following is a weak acid? HBr H2SO4 HNO3 HNO2 KOH
please answer it correctly
can someone help i’ll give brainlist
La littérature d'idées et la presse Le progrès Texte 1: Zola, La Bête humaine, 1880 (chapitre 5) Jacques est un jeune mécanicien, en charge d'une locomotive à v
3rd question. Please help.
The hereditary material in corn plants can be altered by scientist so the plants produce more corn. which term identifies this process?
A turtle lives in a garden and a hedgehog lives in the woods. They leave their homes at the same time walk toward each other and meet in 5 hours. The turtle wal