pinkstonjmy23 pinkstonjmy23

15-11-2019
Mathematics

contestada

Solve the following equations
2x+y=-1
3x-y=-9

Respuesta :

greenpigment greenpigment

17-11-2019

Step-by-step explanation:

2x + y = -1•••• (1)

3x - y = -9••••(2)

Add eqn (1)+ eqn(2)

5x= -10

x= -2

substitute x in eqn(1)

2(-2) + y = -1

-4+y=-1

y = 3

Answer Link

Otras preguntas

why has the world witnessed globalization in sports

1% of what number is 7, 33 is 50% of what number What number is 3% of 100 What percent of 200 is 6 What number is 15% of 40 Plz show work in its hw its due to

In "The Story of Ruth," why is Boaz so kind to Ruth

jim has three times as many comic books as Charlie Charlie has two thirds as many books bob. bob has 27 books how many comic books does Jim have.

what was school like in the 1800s

winnie wrote the following riddle. I am a number between 60 and 100.May ones digit is two less than my tens digit.I am a prime number.

Rosie the Riveter was one of the most successful propaganda campaigns of the Office of War Information (OWI). What best describes the objective of the OWI?

Some scientists believe that black holes are the foundation of catalyst for galaxies. How do they believe that the galaxies form? (Please help asap)

Shellie spent $10.56 on oranges that cost $0.88 per orange. How many oranges did she purchase?

In “The Necklace” by Guy de Maupassant, what is the result of Mathilde visiting her rich friend?