israelmunoz011 israelmunoz011

08-10-2020
Mathematics

contestada

-3x-7y = 18
9x+2y = 3

Respuesta :

samkr14 samkr14

08-10-2020

Answer:

x = -13

y = 3

Step-by-step explanation:

-3x-7y = 18

9x + 2y = 3

__________

3(-3x-7y=18)

9x + 2y = 3

__________

-9x - 21y = 54

9x + 2y = 3

__________

-19y = 57

y = 3

-3x - 7(3) = 18

-3x - 21 = 18

-3x = 39

x = -13

Answer Link

Otras preguntas

why does the earth get more energy from the sun than from all the other stars in the universe combined

what does the suffix ition mean in the word composition

I hate my biology teacher but he’s such a D.a.d.d.y

Tyee signed up for a streaming music service that costs $6 per month. The service allows Tyee to listen to unlimited music, but if he wants to download songs fo

Find the value of two numbers if their sum is 147 and their difference is 51 No links

3.003 as a mixed number.

Who was the first president of the United States (YW for the points)

the product of 20 and z

What was the farthest point from China that Zheng He reached during his voyages? Asia Europe and into Russia Africa and the Middle East the islands off China’s

How many times do you brush your teeth in a day?Why?Give your reasons.