brittany41
brittany41
14-03-2017
Mathematics
contestada
i need help solving for x,y and z
Respuesta :
TheHero
TheHero
08-04-2017
y = -2x
sub in the other 2
x +2x + z = 6
3x + z = 6 ->(1)
2x -4x - z = 3
-2x - z = 3 -> (2)
sum them
x = 9
y = -2x = -18
z = -2x - 3 = -18 -3 = -21
Answer Link
VER TODAS LAS RESPUESTAS ( 63+ )
Otras preguntas
Ben and Cam are scuba diving. Ben is 15.8 meters below the surface of the water. Cam is 4.2 meters above Ben. What's Cam's position relative to the surface of t
On January 10, Molly Amise uses her Lawton Co. credit card to purchase merchandise from Lawton Co. for $1,700. On February 10, Molly is billed for the amount du
Brainly.com What is your question? High School Mathematics 5 points lefarrioe2549 Asked 11.10.2019 This is my multiple step question. Carlita has received he
in big nate strikes again who is his partner for the benjamin franklin project and why doesnt he want to work with that person
At December 31, Amy Jo's Appliances had account balances in Accounts Receivable of $311,000 and in Allowance for Uncollectible Accounts of $970 (credit) before
A stock has a beta of 1.28, the expected return on the market is 12 percent, and the risk-free rate is 4.5 percent. What must the expected return on this stock
Carissa’s parents let her stay up as late as she wants. She is allowed to pick out her own clothes and decide when and what she wants to eat. Her parents act mo
Rewrite the equation below so that it does not have fractions. 2 - 3/4x = 5/12 Do not use Decimals in your answer.
Write an equation in slope-intercept form of the line that passes through the given point and is parallel to the graph of the given equation. (2, -2) ; y = -x -
HELP!!! 10 PTS!! How would a dislodged piece of plaque in the cardiovascular system most likely affect an otherwise healthy person? The right pulmonary artery c
