cottoxzavier cottoxzavier

12-11-2021
Mathematics

contestada

7x-12y=180 7x=84
i need someone to explain step by step

Respuesta :

hayrmarie hayrmarie

15-11-2021

Answer:

x=12,y=-8

Step-by-step explanation:

7x=84

x=84/7=12

12y=7x-180=7*12-180=84-180=-96

y=-96/12=-8

Answer Link

Otras preguntas

why does vomit taste sour

what is a improper fraction of 47/9 as a mixed number

What effect did the dynastic cycle have on the Chinese people? It led the Chinese to discover many new technologies. It caused the Chinese to expect more person

What are four physical changes a candle undergoes when a part of it is broken off?

Use log b 2=0.693 and /or log b 7 = 1.946 to find log b 14

Which sentence has a misplaced adjective phrase? A. The first president of the United States was George Washington. B. Our drive to Alabama was long. C. The

Sumo wrestlers in Japan are well known for their dedication, discipline, and very large bodies. A young sumo wrestler decides to go on a special high-protein di

What is one reason the Supreme Court gave for its decisions in the 1883 discrimination cases? a.The Fourteenth Amendment applied only to states, not individuals

What is the sum of the two digit multiples of 11?

Solve the following for the base. Round to hundredths if necessary. 360 is 150% of ____?