ghandiboy ghandiboy

03-02-2017
Mathematics

contestada

X+2y =3 -x+y=6 elimination

Respuesta :

Lusifer Lusifer

03-02-2017

You can try using the formula y=mx+b

Answer Link

03-02-2017

x=3-2y

plug that into the second equation

-(3-2y)+y=6
-3+2y=6
2y=6+3
2y=9
y=9/2

Answer Link

Otras preguntas

An observer (O) is located 900 feet from a building (B). The observer notices a helicopter (H) flying at a 49° angle of elevation from his line of sight. How hi

find a, b and c. don’t be slow. show the equation and answer for all pls (:

Perform the calculation then round to the appropriate number of significant digits. 128.5 x 3.24

Find a two-digit number such that three times the tens digit is 2 less than twice the units digit, and twice the number is 20 greater than the number obtained

two trains leave the station at the same time, one heading east and the other west. the eastbound trains travels at 110 miles per hour. the westbound train trav

The slope of the line whose equation is 2x + 5y + 1 = 0 is0-2750-1/5O5/2

Perform the calculation then round to the appropriate number of significant digits. 128.5 x 3.24

List FIVE challenges James Cook faced on his drive north.

1. The Knight's tale is about the two princes, Arcite and Palamon, so why does the Knight spend so much time talking about Theseus's battles with the Amazons an

El triángulo rectángulo isosceles PQR, con vértices en P(3, 3), Q(3, 1) y R(x,y), se gira 90° en el sentido contrario al de las manecillas del reloj sobre el or

ACCESS MORE EDU ACCESS