lukerothbacher lukerothbacher

02-02-2019
Mathematics

contestada

3x + 4y = 5
X- 3y = -7

Solve by substitution

Respuesta :

meredith48034 meredith48034

02-02-2019

x = 3y - 7
3x + 4y = 5

3(3y - 7) + 4y = 5
9y - 21 + 4y = 5

13y - 21 = 5

13y = 26

y = 2

x - 3(2)= -7

x - 6 = -7

x = -1

(-1, 2)

Answer Link

Otras preguntas

In order to participate in the government of Anthens, one had to be a- A.free male B.male who served in the military for at least 5 yrs C

What is the capital of Germany? A. Dusseldorf B. Berlin C. Munich D. Hamburg

Using context clues and inferencing, why do you think groups like, The Seattle American Union Against Militarism were against involuntary service and going to w

a user of the system

Mr. Smith is 81 years older than his grandson, Victor. In 3 years, Mr. Smith will be four times as old as Victor. How old is Victor now?A) 21 years oldB) 22 yea

Divide. 8.43) 12.645 The quotient is

ABC Inc.'s capital structure is 40% debt, 15% preferred, and 45% common equity, and its tax rate is 40%. For financing, (a) ABC sold a non-callable bond several

help please? i dont wanna fail qwq

Where in an article is the thesis typically located? Conclusion Introduction First body paragraph Second body paragraph

What is the scale factor of the drawing?