kimbriea
kimbriea
20-04-2015
Mathematics
contestada
how to solve 3x+y=-14;-2x-y=9
Respuesta :
hackerguy
hackerguy
20-04-2015
3x+y=-14
-2x-y=9
++++++++++++
x=-5
y=1
Answer Link
AndyBryer
AndyBryer
20-04-2015
This is a set of simultaneous equations.
3x+y=-14
-2x-y=9
Use elimination by addition
x=-5
the substitute for y
y=1
Answer Link
VER TODAS LAS RESPUESTAS ( 28+ )
Otras preguntas
What information is emphasized in the passage but absent in the artwork?
one way to measure the duration of subterranean disturbances such as earthquakes and mining is to calculate the root-mean-square time. the following histograms
Jillian “could have cared less” about the score of the hockey game. A. could haven't cared less B. couldn't have cared less C. could have cared as much D. could
A shop sells two soft drinks Fizzy cool and Berry Spark . Their prices are in the ratio 3:4 respectively. You buy 5 Fizzy Cools and 7 Berry Sparks and pay a tot
if 100 cats eat 150 mice in an hour how many cats eat 60 mice in 30 mins
Can someone explain this for me thank you I get it but I don’t
used to pour liquids into containers with small openings or to hold filter paper
5. How many variables may be tested legitimately in any one experiment? a. as many as a physicist can handle b. three c. one d. five
Gallons Used 28 34 38 Miles Driven 1164.8 1414.4 1580.8 How many gallons of gas would he need to travel 1102.4 miles?
Complete the equation describing how x and y are related. x У -2 4 0 1 2 3 -4.5 -5 -5.5 -6 -6.5 y = [? ]x + [ ]
