31-01-2014
Mathematics

contestada

X=7y-9
X+7y=8

Need help using substitution. ?! Please

Respuesta :

31-01-2014

X=7y-9
X=-7y+8
7y-9=-7y+8
+9= +9
7y=-7y+17
+7y=+7y
14y=17
14y/14=17/14
Y=17/14

Answer Link

Otras preguntas

Around the world and beginning in the 1830s in the u.s. the growth accelerated? a. as a result of increase in the world population. b. during the industrial R

A water park charges $5 for entry into the park and an additional $2 for each of the big waterslides. Steven spent $17 on his visit to the water park. Which equ

Many lakes in the Eastern Mediterranean have no river outlets to the ocean. As a result, what levels of mineral content and salinity do they usually have? a. h

The vertex form of the equation of a parabola is y=(x-5)2+16.What is the standard form of the equation? a. y=x2-10x+41 b. y=x2+10x+16 c. y=x2+x+8 d. y=3x2-10x+4

In ancient Athens, voting on major legislation (including acts of war and new laws) was conducted using which voting procedure? a. writing on a broken piece of

I NEED HELP BADLY!!! As a Result of the Hundred Years' war a. the countries of France and Endlgand were united b. the French government become more democratic c

The outcome of the 2000 presidential election was decided by a a. decision of the Supreme Court. b. careful recount of the Florida votes. c. majority vote of

why was the Louisiana purchase so important? use facts to back up your answer please! :)

Factor. x2 + 7x + 12 a. (x – 12)(x – 1) b. (x – 6)(x – 2) c. (x + 3)(x + 4) d. (x – 3)(x – 4)

6 to the 2nd power ÷ 2(3) + 4

ACCESS MORE EDU ACCESS