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

In order for this sentence to be complete, what must be added? Because Juan hadn't been feeling well, called in sick to his job. A. A subject is needed in t

HELP PLEASE ASAP !!!! 80 POINTS !!!!!!! There are 975 birds in an aviary. Each month, the number of birds decreases by 7%. There are 350 trees in the aviary. Ea

You are due to return from holiday today but have just been told by your holiday company that volcanic ash in the atmosphere is once again causing flight cancel

How many millimeters are there in 5 meters?

describe one examples of poaching that is prevalent in south Africa

A student makes the analogy that the cardiovascular system is like a highway. Why is this a good analogy?

As a result of riots and a new treaty, Panama was given full control of: the Panama Canal the Caribbean Central America

Pablo picasso's girl before a mirror explores the traditional theme of:

Which type of stretching must be done under the supervision of a coach or a trainer? general stretching sport-specific stretching dynamic stretching static str

can anone help me please