tarynmanns11 tarynmanns11

17-04-2021
Mathematics

contestada

Solve each system of equations by adding.

Solve each system of equations by adding class=

Respuesta :

ashwineedadool24 ashwineedadool24

17-04-2021

Answer:

3. x+y = -1

x-y = 7

(x+x+y-y) 2x=6

x=3

4. 2x+2y = -2

3x-2y = 12

(2x+3x+2y-2y) 5x=-2+12

5x=10

x= 2

5. 6x+5y = 4

-6x+7y = 20

(6x-6x+5y+7y)= 4+20

12y=24

y=2

Answer Link

Otras preguntas

What's the best strategy for avoiding ATM fees?

A constitution? what for? the koran is the oldest and most efficient constitution in the world. these quatations best support the idea that

how is science better then phillosophy ? one paragh on it

what is the difference between ending the slave trade and ending slavery?

Kyle thought that he would go to the job interview, that he would talk about his previous experience, and that the manager’s Kyle thought that he would go to th

Is the passage of dialogue written correctly or incorrectly? "Why does he do that?" asked Jim. "Then the pancakes turn over by themselves," said Eri

Which statement does not describe El Greco's work? El Greco was a Venetian artist. King Philip II was so disappointed with El Greco's work that he refused to

As gravity increases, weight remains the same. true false

What is a sand painting?select one of the options below as your answer: a. a part of a navajo healing ceremony b. a rawhide design c. a part of a potlatch ce

Which phenomenon occurs when a wave encounters a non–transmitting barrier?