11-03-2020
Mathematics

contestada

Solve using substitution.

y = 9
–7x + 6y = –9

Respuesta :

Yang100 Yang100

11-03-2020

Answer:

x=9

Step-by-step explanation:

y=9

-7x+6y=-9

----------------

-7x+6(9)=-9

-7x+54=-9

-7x=-9-54

-7x=-63

7x=63

x=63/7

x=9

Answer Link

Otras preguntas

what is 0.03 as much of one tenth?

Name the Egyptian gods and goddesses

Noah and Leslie live the same distance from school. Which could be the distance they live from school A 7/100 kilometer and 7/10 B 5/10 and 1/5 C 80/100 and 8/1

Calculate the number of molecules in 4.0 mol H2O. a. 0.60 ´ 1023 molecules c. 2.4 ´ 10–23 molecules b. 2.4 ´ 1024 molecules d. 2.4 ´ 1023 molecules

combine sentence and use coordinate conjection: 1) my bus driver is strict . she is friendly. ( compund sentence ) 2) the engine sputtered. then it died ( co

what is the reason Pennsylvania colonized

Darla is 3 times as old as her sister Julia. Write an algebraic expression for Darla's age. Let Julia's age = x

The Periodic Table is mostly made of

after the han dynasty replaced the qin dynasty what major changes did it make?

How many electrons are in the highest energy orbital of the element copper?