noah1781 noah1781

02-12-2018
Mathematics

contestada

Solve by substitution 3x+y=5 and 2x-y=10

Respuesta :

charper317 charper317

02-12-2018

3x+5=2x-10
-2x -2x
X+5=-10
-5 -5
X=-15

3(-15)+y=5
-45+y=5
+45 +45
y=50

2(-15)-y=10
-30-y=10
+30 +30
-y=40
Divide by -1 on both sides
y=-40

Answer Link

Otras preguntas

Which action was unique about the 2008 presidential election?Neither candidate had served in an elected office before.It was the first election in which a woman

Type the correct answer in each box. A circle is centered at the point (-3, 2) and passes through the point (1, 5). The radius of the circle is ____? units. The

This sentence has 2 grammar errors drink your milk, and then you should eat all your vegetables before you could go outside to play

In the wild, female and juvenile African elephants typically live in herds that vary in size, depending on the environment. Juvenile African elephants are subj

A baseball team is hosting a dance as a fundraiser. the cost of 1 individual ticket is $7. the cost of 1 group ticket is $16. the baseball team sold 36 more ind

5. A student gets 9 out of 15 problems correct on a homework assignment. What percent of the assignment did the student get correct?

PSYCHOLOGY Riding a bike is an example of a procedural memory. Please select the best answer from the choices provided Т F

What has the Munich Agreement? (In your own words) What affect did it have on the people?

What is the definition of the word "great admiration" mean? What supports the definition? (look at the image below)

Put the following steps of a lifeguard rotation in the proper order.