millerluke millerluke

02-10-2020
Mathematics

contestada

Solve the system by substitution.
3x +2y=-21
x+y=-9

Respuesta :

Ukmmmmm Ukmmmmm

02-10-2020

Answer:

Step-by-step explanation:

3x +2y=-21 and x+y=-9

3x +2y=-21 and x = -9-y

=> 3(-9 - y) + 2y = -21

-27 -3y + 2y = -21

-y = 6

y= -6

=> x = -9+6= -3

Answer Link

Otras preguntas

The debits to work in process—roasting department for morning brew coffee company for august 2016, together with information concerning production, are as follo

WHO EVER ANSWER THIS FIRST WILL GET THE BRAINLIEST AND A PROPER ANSWER I JUST REALLY NEEED HELP FAST!On the following scale drawing, the scale is 2 centimeters

______ Made geocentric model of the solar system using epicycles

what is the solution of n2 - 49 = 0

(-45-24v^2+v^4-22v-6v^3)/(v-9)

Why is comparing and contrasting an important tool for readers? a. It shows one writer’s ability to express different points of view. b. It helps readers see si

Fuel x costs $2 per gallon and fuel y costs $3 per gallon. You have at most $18 to spend on fuel. Write a system of linear inequalities to represent this situat

How many moles are there in 140.2 g of Ca

________ applications are software in which the vendor hosts the software online over the Internet and you do not to install the software on your computer. Sele

Describe the most modern humans in terms of brain size, walking position, jaw size ,and use of hand