amp92904 amp92904
  • 01-03-2019
  • Mathematics
contestada

Help me please
I don't know how to do this ​

Help me pleaseI dont know how to do this class=

Respuesta :

XuHuang016
XuHuang016 XuHuang016
  • 01-03-2019
I don’t either
Can someone please teach me
Answer Link
helloitschump0vfdz
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

Otras preguntas

2. Which expression is the exponential form of √30
the hawks still have a narrow edge over the pioneers in the basketball game. they're leading 51 to 49. the pioneers have scored 30 times; the hawks only 29. How
Determine which proportion is a true statement
how would the experiment change if you used light of a different wavelenth ?
You have 7/8 of sour cream to make tacos if each tacos requires 1/16 cup of sour cream how many tacos can you make
1. Which expression is the radical form of b^1/5
If you help me ill help you pease
6. Rationalize the denominator and simplify. 2+√3/5-√3
Nam 2 outstanding persons who are associated with the establishment of this religion group? the rastafarianism
The southern economy ________________ from the damages of the civil war.