heavrilbekayra heavrilbekayra

04-05-2016
Mathematics

contestada

Solve the system by the elimination method. Check your work. 3a + 5b - 7 = 0 a - 2b - 4 = 0

Respuesta :

meerkat18 meerkat18

11-05-2016

3a + 5b - 7 = 0
0a - 2b - 4 = 0

-2b = 4 - 0a
b = (4 - 0a)/ -2
b = -2

3a + 5b - 7 = 0
3a + 5(-2) - 7 = 0
3a - 10 - 7 = 0
3a - 17 = 0
3a = 17
a = 17/3 or 5 2/3

Answer Link

Otras preguntas

99 POINTS PLZ HELP-Different shapes are drawn on cards and then the cards are placed in a bag. The number of cards for each shape is shown in the table. Shape o

What is a Passover Seder

The function f(x)=40,000(1.03)x is used to predict the population of a town x years after 2010. What is the meaning of f(5)?

What did louis daguerre do

describe the error Kevin made. circle the places in the drawing of Kevin's solution where he made an error

With the advert of the space shuttle program, NASA spent more time on military projects, despite its original mandate as a civilian agency. Which word from

A large adult elephant weighs 24,000 pounds. A baby elephant, on the other hand, weighs only 260 pounds. How much more does the adult elephant weigh? in tons an

Elle répond toujours méchamment.

What is the y-intercept of the equation 2x+3y=6?

Which of the following is a mixture? Gold Honey Steel Water