myaroys myaroys

02-03-2021
Mathematics

contestada

y - 3x = 21
x - 5y = -35
solve by substitution(show steps please)

Respuesta :

iy41284 iy41284

02-03-2021

Answer:

x=-5 y=6

Step-by-step explanation:

y-3x=21

y-3x+3x=21+3x

y=3x+21

x-5y=-35

x-5(3x+21)=-35

x-15x-105=-35

-14x-105=-35

-14x-105+105=-35+105

-14x=70

x=-5

y-3(-5)=21

y+15=21

y+15-15=21-15

y= 6

Answer Link

mykatoussaint99 mykatoussaint99

02-03-2021

Answer:

x=5

y=6

Step-by-step explanation:

That is the answer

Answer Link

Otras preguntas

Does an Off-Duty Police Officer have Authority in US?

Which sentence correctly forms the plural of the letter R? A. Three R's make up her initials.

Who was Canada's FIRST prime minister.

The tropical climate zone is in which two states?

I forgot what are homophones.Does anyone know what's a homophone.

if i got 68 correct on my math test and the total is 85 what is the score?

A moving company is trying to store boxes in a storage room with a length of 5 m, width of 3 m and height of 2 m. How many boxes can fit in this space if each i

John Sells Hamburgers For $3 Each and cheeseburgers for $3.50 each. One afternoon, he sells a total of 24 burgers for $79. How Many hamburgers did he sell?

how do you solve 2.75+.003+.158=

Bethany's dog eats 450 grams of food per day. How many kilograms does the dog eat in a week