yocelincelestino101
yocelincelestino101 yocelincelestino101
  • 02-06-2021
  • Mathematics
contestada

Is this right and can someone show me the explanation plz?and how to do the problem I have to show my work

Is this right and can someone show me the explanation plzand how to do the problem I have to show my work class=

Respuesta :

kkozume27
kkozume27 kkozume27
  • 02-06-2021

Answer:

yes it is.

x = 4 and y = -3

Step-by-step explanation:

Solve simultaneously using elimination method:

equation 1 - equation 2

3x + y = 9 equation 1

-2x + y = 5 equation 2

_________

x = 4

plug 4 into any of the 2 equations and solve for y.

3(4) + y = 9

12 + y = 9

12-12 + y = 9-12

y = -3

Answer Link

Otras preguntas

When two people swing a jump rope, they can make it swing as a single arc or as two half-ropes arcing in opposite directions?
Why were the French willing to help the colonists in their fight against Britain? A. The colonists were willing to pay the French for all of their services.
which item would be helpful when setting dating rules a. a set day or curfew b. a list of acceptable restaurants c. a set of guidelines for what to wear d. a
-6(a+5b)-3(-7b-a) please help
I need help never did this before
What is the term used to represent the five Native American tribes?
What were the main points of the Magna Carta?
How does asides work in conjunction with dramatic irony?
What term is applied to juvenile actions or conduct in violation of criminal law?
1. Miguel tosses a coin three times. which diagram represents the sample space of the three tosses?