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

The _____ aided big business by reducing the power of labor unions in the United States. Specifically, it meant that unions could no longer demand that only uni
2 dived by 440 eplain please
What is genotype for a recessive trait found on the female chromosome? Yh Xh XH YH
At height h above the surface of Earth, the gravitational acceleration is What is h? Note: The radius of Earth is 6380 km.
Is 4/8 bigger than 4/6
In Anne of Green Gables Why does Anne think she is better than the other students at the Avonlea school? A. She is better at spelling.
How is the modern era similar to the classical era? A. Both eras were strongly influenced by civilization that became "superpowers." B. Both eras were periods w
A _______ is the range in which the music is presented. A. hemiola B. register C. head D. sequence
which is heaviest a bicycle a pencil a dog an elephant
The first known telescopes, used around 1600, consisted of a lens and an eyepiece. Today, telescopes are often computer controlled and consist of a complicated