cayyeb29 cayyeb29
  • 03-03-2021
  • Mathematics
contestada

Solve the system of equations using the substitution method. 2x+y=8
y=x-1

Respuesta :

varukattygafoorsohil varukattygafoorsohil
  • 03-03-2021

Answer:

x=3

Step-by-step explanation:

If we know that y=x-1, we can just substitute it and replace y with (x-1)

so 2x+y=8 becomes:

2x+(x-1)=8 and we simplify that into:

3x-1=8, add 1 on both sides to make it:

3x=9, divide 3 on both sides

x=3

Answer Link

Otras preguntas

Luisa _________una carta a su amiga sandra. (escribir)
What does buddy's friend discover after flying her kite on their last Christmas Day together
What does 잘 부탁드려요 mean?
Who controls the means of production in a free enterprise system?
In triangle KLM, LM=11 and the measure of angle k =45. Find KL . Leave your answer in simplest radical form
what effect did China mountains and natural Barrier have on the development of its civilization ?
Who was the president of the U.S in 1944.
Why are experimental investigations the best type of scientific investigation to demonstrate cause-and-effect relationships?
What was a key reason for the growth of the maya culture??
content vs. general so can u help