sarahlamar382
sarahlamar382
02-12-2014
Mathematics
Answered
3x+4y=2 4x-4y=12 by using elimination
Answer :
lakwan007
lakwan007
02-12-2014
(+3x+4y=2)
(+4x-4y=12)
-----------------
7x = 14
-----------------
7
X=2
3(2)+4y=2
6+4y=2
4y=-4
Y=-1.
Or you can plug x into the other equation.
4(2)-4y=12
8-4y=12
-4y=4
Y=-1.
Answer Link
VIEW ALL ANSWERS ( 31+ )
Other Questions
Which phrase indicates that the colonists are protesting their lack of representation? "Among [certain unalienable rights] are life, liberty, and the pursuit of
Which groups did not share in the prosperity of the late 1800s? Choose all answers that are correct. A. shopkeepers B. tenement dwellers C. factory workers D. r
what is the greatest perimeter of a rectangle with an area of 39 square feet
When You are Doing mean, median, and mode can you have a zero for the median?
Choose two of the following and analyze their impact on colonial North American development between 1620 and 1776: Puritanism, the Enlightenment, the 1st Great
All these occurred in the U.S. during the Cold War EXCEPT (A) build-up of military arms (B) interrogations of citizens (C) protection of free speech (D) fear of
who was the U.S. general in charge of the troops in world war i?
find the value of this expression if X = -1 and Y = -5 xy over -6
What Part Of The DNA That Codes For A Specific Trait In An Organism Is Called A ___ A. Chromosome B. Gene C. Protein D. Allele IDK If I Am Thinking Wrong But My
The main function of the skull is to protect the brain?