amp92904
amp92904
01-03-2019
Mathematics
contestada
Help me please
I don't know how to do this
Respuesta :
XuHuang016
XuHuang016
01-03-2019
I don’t either
Can someone please teach me
Answer Link
helloitschump0vfdz
helloitschump0vfdz
01-03-2019
X = 1, Y = -1
You could do substitution :
x - y = 2
x = 2 + y
———————-
5(2 + y) + y = 4
10 + 5y + y = 4
10 + 6y = 4
6y = -6
y = -1
———————-
x - (-1) = 2
x + 1 = 2
x = 1
——————————
CHECK ANSWER :
5(1) + (-1) = 4
1 - (-1) = 2
Answer Link
VER TODAS LAS RESPUESTAS ( 45+ )
Otras preguntas
what is the speed of an object at rest
Why is a globe more accurate than a flat projection map?
Carlos wants to participate in a physical activity that will best improve his heart function. Which type of activity should he choose? Muscle-strengthening Bone
If you wanted to make a prediction about an event that required complicated analysis of data which tool would be the most helpful? a. scale b. a scientific mode
What is 25 divided by 1280
Which geographic feature contributed to the beginning of Farming communities?
What was the significance of the Code of Hammurabi? The laws were developed from an ancient Sumerian code of laws. The laws were displayed throughout the empire
How does the number line represent equivalent fractions and decimals?
• Poll taxes • Literacy tests • Threatened violence The measures in the list above all existed in Southern states in order to undermine the content of A the 15t
how were the beginnings of the Almoravid and Almohad empires similar?
