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

write the volume in cm3 of a container which holds 2.250litre?
A number is doubled and then increased by seven. The result is ninety three. What is the origonal number
Find the inverse of f (x)=log(subscript 4) x
which best describes the relationship of the embryo and the fetus.
Positively charged sodium ions transport electrical impulses in the nervous system. Which subatomic particle does sodium lose to attain a positive charge?
Which was a weakness of the Articles of Confederation? A. The central government had too much power over people's lives. B. The state governments lost most of t
The legs of an isosceles right triangle are 5 inches long. What is the length of the hypotenuse of the triangle to the nearest inch?
True or False: 1. all trapezoids are scalene? 2. all squares are rhombuses? 3. all rectangles are squares? 4. all squares are rectangles? 5. all parallelograms
Is the sentence a simple or a compound sentence The hat was dark green and had a wide brim A simple B Compound
what is 1/7 divided by 7