myaroys
myaroys myaroys
  • 02-03-2021
  • Mathematics
contestada

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

Respuesta :

iy41284
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

Chromosomes other than sex chromosomes are autosomes. a. True b. False
Jeb looked through the magazine and found an article called "A Look Back at the Civil War." He wondered if the article had any information on Robert E. Lee. He
how many years is a light year
What's is 18/10 in a %
The Suns ultraviolent Rays can cause skin damage including sunburn and even skin
If your business operates in more than one state or in a large area, it's a good idea to register the trademark with what organization?
What does the people's desire to crown Caesar reveal about him?
Please help me what is this
Loss of habitat has decreased the population and number of alleles of Canadian lynx. A few survivors migrated to other forests and multiplied, but there is less
What innovation had the BIGGEST impact to business and the service industries in the 1990s?