anlikeraaron5 anlikeraaron5

24-04-2021
Mathematics

contestada

-6х-у = -27
18х+Зу=81

Solve the system of equations

Respuesta :

viktoria80 viktoria80

24-04-2021

-6x-y=-27
18x+3y=81

-6x-y=-27
-6x -6x
-y = 27-6x
/-1 /-1
y=-27+6x

18x+3y=81
18x+3(-27+6x)=81
18x+-81+18x=81
+81 +81
36x=162
/36 /36
X=4.5

y=-27+6x
y=-27+6(4.5)
y=-27+27
y=0

(4.5,0)

Answer Link

Otras preguntas

A trait is defined as a _____. A. characteristic of an organism B. section of an organism's DNA C. difference between organisms D. new mutation that an

who is she? her real name and complete name

Jackie Robinson was MOST notable for A) leading protests during the Civil Rights era. B) becoming the first African-American in Congress. C) breaking the "color

In a survey of 2,300 people who owned a certain type of car, 1,610 said they would buy that type of car again. What percent of the people surveyed were satisfie

2. Suppose that y varies inversely with x. Write an equation for the inverse variation. y = 4 when x = 7 Oy ºx- and 80% aphs O y = 3x Rules. 80% raphs

—Hola, Elisenda. A mis hermanos ________ jugar a los videojuegos. ¿Y a tus hermanas? —A mis hermanas y a mí ________ el tae kwon do. —¿Cuándo practicas el tae k

what is a simile? and how do you use it in a sentence?

The consumer decision process begins with a comparison of available alternatives. true or false

Find the mean 10.20.30.50

What were the aims of the fascist leaders of World War II?