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 ( 81+ )
Otras preguntas
Which revolutionary leader did President Calvin Coolidge describe as a “combined Benjamin Franklin and George Washington of China”? A. Mao Zedong B. Chiang Kai-
The ink of scholars is more precious than the blood of martyrs. Who is the source of this quote? Muhammed Ibn al–Haytham Al–Zahrawi Rumi
A new Bruno's Bakery uses 4/9 of a barrel of raisins each day. Cosmo's Bakery uses 6/5 as much raisins as the Bruno's Bakery. How many barrels of raisins does C
In a fish tank 6/7 of the fish have red a stripe on them. If 18 of the fish have red stripes how many total fish are in the tank?
Which of the following best describes Caspar David Friedrich? A. an English artist who painted the countryside around the River Stour B. a French artist who pai
All of the following effects occurred as a result of Roman expansion following the Punic Wars except A) it brought in great wealth from conquered territories B)
Should Maria rent or buy? Maria, age 21, plans to work full time while completing her college degree in a nearby city. I would think she should rent but I don'
Which of the following best describes Caspar David Friedrich? A. an English artist who painted the countryside around the River Stour B. a French artist who pai
Which of the following is true of every neutral atom? A. The atom’s nucleus (center) has the same number of protons and electrons. B. The atom has more protons
You need to reformat your computer. After backing your data up and preparing the hard drive you need install the first software program call an operating system
