jereline
jereline
07-02-2016
Mathematics
contestada
-5x + 3y = 6
x- y = 4
Respuesta :
JvitorBR
JvitorBR
07-02-2016
Hi
-5x+3y = 6
x-y = 4 ⇒ ×3 ⇒ 3x-3y = 12
-5x+3y = 6
3x-3y = 12
------------------
-5x+3x+3y-3y = 6+12
-2x+0 = 18
-2x = 18
x = 18/-2
x = -9
x-y = 4
-9-y = 4
-y = 4+9
-y = 13
y = -13
Answer Link
VER TODAS LAS RESPUESTAS ( 22+ )
Otras preguntas
The satellite nations were members of which military alliance? Warsaw Pact CIA Eisenhower Doctrine NATO
what is an ethnic minority within Sri Lanka A. Welsh (Wales) B. Tamils (ealam) C. Bretons (brittney) D. Chechens (Chechnya) E. Catalons (Catalonia)
why in summer water vapour rises upwards????????????? please I want the answer very fast
Why is saliva important to digestion?
the sides of a aquare field are 12 meters. A sprinkler in the center of the field sprays a circular area with a diameter that corresponds to a side of the field
India helped the Allies during WWI and gained their independence immediately following the war
why are multiple choice questions used in public opinion polls
Which statement correctly defines principalities in northern Asia in the 1200
Franklin Roosevelt's ____ Policy was aimed at allowing Latin American countries to govern themselves without U.S. intervention?
examine the extent to which the United State ecnomic foreign policy led to prosperity at home and aborad
