elana
elana
10-03-2014
Mathematics
Answered
Solve this system by using substitution:
y=7x-10
y=-3
Answer :
deathstrike001
deathstrike001
11-03-2014
lets use substitution
y=7x-10
y=-3
so
-3=7x-10
7=7x
1=x
now lets check
y=7(1)-10
y=-3
therefore both equations have the same value
Answer Link
VIEW ALL ANSWERS ( 82+ )
Other Questions
Which electron configuration represents the electrons in an atom of Ga in an excited state?
whats the first thing in every chain?
Simplify the expression: 9x + 4y - 7x + 2y.
please help me on all the questions thanks !!!!!!!!!!!!!!!!!!
How many milliliters of a 15% saline solution and how many milliliters of a 40% saline solution must be mixed to produce 10 milliliters of a 30% saline solution
one mile is about 1.61 kilometers. volcano Mauna Kea is 120 kilometers wide. what is the width of the volcano in miles, rounded to the nearest tenth?
Solve using elimination method. 2x+3y=7 and 4x+2y =-6 A) one of (32,-19) or (6,-5) B) one of (0,1) or (2,0) C) one of (-3,1) or (2,1) D) one of (4,–1) or (-4,5
Why are the strands of DNA said to be complementary to each other? A) The sugar-phosphate chains are running in opposite directions. B) The sugar-phosphate chai
Assume that the mean hourly cost to operate a commercial airplane follows the normal distribution with a mean of $2,175 per hour and a standard deviation of $2
While looking at a cell under a microscope, a scientist is able to see a biological molecule. This molecule is a nucleic acid with double strands and contains t