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 ( 15+ )
Otras preguntas
The balanced chemical equation for the reaction between PCl5 and water is given below. If 3.45 moles of HCl are produced, how many moles of water reacted? PCl5
Horace Bushnell is associated with which idea? a.religious liberalism b.religious fundamentalism c.religious intolerance d.religious liberty
Which words in this sentence are an independent clause? Tide pools are depressions in rocks along the coastline that fill with seawater when the tide retreats
what is the control center of a cell?
5. A real estate company purchased a vast area of lakefront property. The company plans to divide the area into several lots so that customers can purchase a lo
How many total atoms are found in one molecule of H2O? A. 3 B. 4 C. 2 D. 1
t is important to avoid ballistic stretches because they can increase body and muscle temperature extend a joint beyond its regular range of motion exceed the s
In which digestive organ does the digestion of fats or lipids begin? mouth stomach duodenum
How does the atmosphere affect radiation
Bella serves pizza at her party. each pizza is cut into 6 equal slices. there are 13/6 pizzas left after three party is over. the slices are in 3 different pizz
