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 ( 31+ )
Otras preguntas
The ozone layer sits near the top of Earth's atmosphere and protects us from the sun's harmful ultraviolet rays. But ozone is dangerous when it's closer to grou
Mi prima itza trabaja coma guia en/as ruinas de teotihuacan. los indigenas vivian allihace muchos siglos y ella cuenta sus leyendas a los turistas itza y yo fui
The incomplete work of a student to solve an equation is shown below: Step 1: 2x + 8 = 2 Step 2: ? Step 3: x = −6 ÷ 2 Step 4: x = −3 What is the missing Step
3. In a game, if you roll a 6 on a 6-sided number cube, you lose a turn. (a) What is the probability that you roll a 6? Explain your reasoning. (b) What is the
use the equation 2C4H10 +13O2-->8CO2+10H2O to find how many moles of oxygen would react with .425 mol C4H10
According to the general equation for conditional probability, if P(A^B)= 3/10 and P(B)= 2/5 what is P(A|B)?
A fourth degree polynomial that has five terms could have five linear factors.
A flashlight bulb with a potential difference of 4.5 v across it has a resistance of 8 ohms how much current is the bulb filament
A company's normal operating range, which excludes extremely high or low operating levels that are not likely to occur, is called the: margin of safety. contrib
How much time should be allowed for a 605-mile car trip if the car will the traveling at an average speed of 55 Miles per hour?
