JakyaI334238 JakyaI334238

25-10-2022
Mathematics

contestada

solve the system of equations by substitution. Check your answer

Respuesta :

HelamanL300727 HelamanL300727

25-10-2022

Using Substitution method:

2 x - y = 23 --------------- equation 1

x- 9 = -1 ----- equ 2

x = -1 + 9

x = 8 .......(1)

put x = 8 in equ 1

2 (8) - y = 23

16 - y = 23

16 - 23 = y

y = -7.....(11)

Conclusion : x = 8, y = -7

Answer Link

Otras preguntas

x=2y-1 3x-2y=-3 What are the coordinates

how can I change .564 to a percent

the issue of slavery was largely responsible for the party realignment that followed the election of

What two states gave up land to create space for our nation's capital?

Juanita wants to give bags of stickers to her friends. She wants to give the same number of stickers to each friend. She's not sure if she needs 4 bags or 6 bag

factor the sum of terms as a product of the GCF and a sum: 60+48 what is the ansawer?

your friend wants to know the amount of salt added to her favorite fast food French fries. what would you recommend that she do to find out the amount of salt ?

write a real-world problem that can be modeled by the equation 1.25x=0.75x+50

The process that releases energy from food in the presence of oxygen is ?

Relationship A has a greater rate than Relationship B. The table represents Relationship B. Which equation could represent Relationship A? Choose all answers th