michelle7084 michelle7084

04-03-2022
Mathematics

contestada

c) Solve the system by substitution.
x + 2y = -1
x- y = 5

c Solve the system by substitution x 2y 1 x y 5 class=

Respuesta :

repthebae repthebae

04-03-2022

First set 2nd equation to x.
X=5+y
Then substitute that for x in the 2nd equation.
5+y +2y = -1
So 3y = -6
Or y = -2

Then substitute -2 for y in first equation
X-(-2) = 5
Or x + 4 = 5
X= 1

Answer Link

Otras preguntas

What is 12/3 simplified?

Which body part belongs to the circulatory system?

Heredity allows for ______. change between generations consistency between generations both A and B neither A nor B

Definition of pascal's principle

Help in chemistry !!!!!!!!!!!

few questions explain too, very confused PLEASE HELP 1. twice the difference between a number and ten 2. if 5 is subtracted from twice a number the result is 11

Start at 4. Create a pattern that multiplies each number by 5. Stop when you have five numbers.

acceleration of gravity on jupiter

A car leaves a town traveling at 60 miles per hour. Two hours later, a second car leaves the town traveling the same route and overtakes the first car in 6 hour

There are two types of intaglio printing, etching and engraving. What is the primary difference between the two?