valerietovar956 valerietovar956

04-02-2022
Mathematics

contestada

Solve the system of equations by adding or subtracting.
{-x-2y = 3
( 3x + 2y = 15
The solution of the system is

Respuesta :

ItsDingy ItsDingy

04-02-2022

Answer:

x=9, y=-6

Step-by-step explanation:

you can add to cancel out the y: -x+3x=18. x=9. You then plug x back to get the value for y.

Answer Link

Otras preguntas

Which of the following are solutions to |x + 3|=4x-7 check all that apply

Faeber Textile Company frequently factors its accounts receivable. During 2019, Faeber made credit sales of $100,000 to customers, under terms of 2/10, n/30. Fa

What is the value of x?

Look at the images and note which body part the arrow is pointing to. Then match the image with the correct form of the adjective. Match Term Definition closeup

Evaluate the following expression: (-3)^-2

Look at the images and note which body part the arrow is pointing to. Then match the image with the correct form of the adjective. Match Term Definition hand w

what is the measure of x°? 1. 90° 2. 101° 3. 114° 4. 111°

Read the sentences below. Then, indicate whether each underlined phrase is a noun phrase or a verb phrase by placing it into the correct category

when you write a numerical expression, how can ypu show which operation to do first?

A large water tank measures 6 feet across and 4 feet high. It is being filled with water at a rate of 10 gallons per minute. About how many hours will it take t