funnypaige
funnypaige
22-05-2017
Mathematics
contestada
What's the answer on number 11
Respuesta :
mjankiewicz
mjankiewicz
22-05-2017
2x-y=7
2x+7y=31 |* (-1)
===
2x - y = 7
-2x-7y=-31
===
-y-7y=-24
-8y=-24 |:(-8)
y=3
2x-y=7
2x-3=7 |+3
2x=10 |:2
x=5
x=5
y=3
Answer Link
VER TODAS LAS RESPUESTAS ( 97+ )
Otras preguntas
Name and date this piece of ancient religious art. Describe its religious connection, color, and content.
Honesty and integrity, empathy and acceptance, and faith and confidence are examples of
It is currently 2018 and you are the mayor of Snowville, IL. Your public works department has determined that your town’s main highway needs to be repaved in th
Which of the following items might you find in a supermarket in Ecuador but probably not in the United States? A. Fruits and vegetables B. Restaurant C. M
#9 please help me it is so hard
The term ""Era of Good Feelings"" refers to the period of American history when:
In a certain region of the country it is known from past experience that the probability of selecting an adult over 40 years of age with cancer is 0.05. If the
A Historic Day for Women How does the point of view shape what the reader learns from the narrative? A The reader is given a rare glimpse into the mind of one o
During the luteal phase of the ovarian cycle, progesterone secretion peaks and estrogen levels decrease. Along with these changes, there is a corresponding incr
What is the perimeter of rectangle JKUM? 32 units 44 units 56 units
