gamerxgirl90 gamerxgirl90

07-02-2022
Mathematics

contestada

solve both by elimination can someone help?
2x-5y=-9 , 4x+5y=12

3x-2y=12 , 7x-5y=17

Respuesta :

zsm2800 zsm2800

09-02-2022

Answer:

x=1/2, y=2;

Step-by-step explanation:

First pair:

2x-5y =-9

4x+5y=12

Add them together:

6x=3

x = 1/2

2(1/2) - 5y =-9

1-5y = -9

1+9=5y

y=10/5=2

Answer Link

Otras preguntas

Simplify348.94-188.34

how do you say nous ecouter la radio in English

5 MINUTES UNTIL ITS DUE Someone please answer this for me !! (Its about creoles)

If -2a > 6, then _____. a > -3 a > 3 a < 3 a < -3

Carbon-11 is a radioactive isotope of carbon. Its half-life is 20 minutes. What amount of the initial mass of 70.0g of C-11 atoms in a sample will be left after

How are these two images similar? Check all that apply.They both use body language to depict tone.They both use shadows to convey mystery.They both use expressi

______has an absolute advantage in the production of alfalfa, and_______ has an absolute advantage in the production of barley. Charles's opportunity cost of pr

Why is the Bill of Rights referred to as the anti-Federalist legacy? The Bill of Rights was added to the Constitution through the formal ratification process, s

Cost of money Four fundamental factors affect the cost of money: (1) the return that borrowers expect to earn on their investments, (2) the preference of savers

How do limiting factors most affect population size? 3 stop population growth O restrict population growth O increase population growth O decrease population gr