cecilia345 cecilia345
  • 04-05-2021
  • Mathematics
contestada

solve y=x-2 and x+y=12 using substitution

Respuesta :

Аноним Аноним
  • 04-05-2021

Step-by-step explanation:

y=x-2....eqn1

x+y=12.....eqn2

now,

from eqn 1

y= x-2

again, putting value of y in eqn 2

  • x+y=12
  • x+x-2=12
  • 2x=12+2
  • x=14/2
  • x=7

in eqn 1

  • y=x-2
  • y=7-2
  • y=5

hope it helps..

Answer Link

Otras preguntas

How many frost-free days are in the northern latitudes?
Woodward and Bernstein kept their main source a secret for over 30 years. What is the importance of newspaper reporters keeping their sources confidential?
A car travels 200 km SE for 5 hours. What is the car's velocity?
Can you make 1000using only 8's
write a verbal sentence involving an unknown number and two operations
Slaked lime (Ca(OH)2) is formed from quicklime (CaO) by the addition of water. What mass of slaked lime can be produced from a mixture of 22.4g of CAO and 10.9g
Where did the term manifest destiny start to appear?
what is sugar syrup candy
which of the following is not true about the Zimmerman note? A. it was an attempt by Germany to form a secret Alliance with Mexico. B. it caused more Americans
What is the diameter of a cone with height 8 m and volume 150 m3 ? (1 point 7.5 m 15 m?