TheGirlWhoNeedsHelp TheGirlWhoNeedsHelp
  • 10-11-2016
  • Mathematics
contestada

can you help me? this is systems with elimination

can you help me this is systems with elimination class=

Respuesta :

emjaya
emjaya emjaya
  • 10-11-2016
If you add each like term together (so -6x + 6x, 5y + 4y, and 1 + -10)
You do this you end up with
0 + 9y = -9
9y = -9
y = -9/9
y = -1
Then substitute it back in to one of the tw equations:
6x + 4(-1) = -10
6x + -4 = -10
6x = -10 +4
6x = -6
x = -6/6
x = -1
Answer Link

Otras preguntas

2x²+7x-15factoring show steps due in 10 mins​
An electric dipole consisting of charges of magnitude 2.10 nC separated by 6.6 µm is in an electric field of strength 1100 N/C. What are the magnitude of the el
Using Digital Signature Standard (DSS) scheme, let q = 59, p =709, d = 10, and r = 13. Alice wants to send a message to Bob. She signs the message using DSS sch
how do i put f(x)=2(x+5)(x+4) into standard form
A computer while calculating correlation coefficient between two variables X and Y from 25 pairs of observations obtained the following results:N=25, Σxi=125, Σ
Click on the value of the temperature on the x-axis of the phase diagram that needs to be reached to liquefy SO2​ (from the gas phase) at 1 atm of pressure.A) 1
Which tribe did Coronado encounter at Quivira? a. Comancheb. Wichitac. Apached. Choctaw
The length of projection of the line segment joining the points (1,0,−1)and(−1,2,2) on the plane x+3y−5z=6 is equal to a. 2 b. √271/53c. √472/31 d. √474/35
8b + 6 - 4 - 5b = 3b + 2
Give an example of a moderate-complexity test an MA might prepare and set up with/for a physician____