strader21
strader21 strader21
  • 03-02-2021
  • Mathematics
contestada

HELP! solving by substitution-day 2
solve the following system of equations.
{ x=-2y
{ x-y=9
(WORK MUST BE SHOWN)

Respuesta :

testaccountbot
testaccountbot testaccountbot
  • 03-02-2021

Answer:

=2.

Step-by-step explanation: 1:x−y=9 2:2x+2y=2.  Can i get brainliest?

Answer Link

Otras preguntas

1. Which areas of physics deal with the following? a. how fast things move_ b. how the shape of a cave affects an echo c. which sunglasses are best for cutting
Of the range, the interquartile range, and the variance, the interquartile range is most influenced by an outlying value in the data set. Is that true or false?
A group of 22 students participated in a Race. Their scores are below
A 10-turn coil of wire having a diameter of 1.0 cm and a resistance of 0.50 Ω is in a 1.0 mT magnetic field, with the coil oriented for maximum flux. The coil i
Suppose an item costs $50 and is discounted 10%. If it is then marked up 10%, is the resulting price $50? Why or why not?
Which of the following represents the set in words? {x | x < 0} A all positive integers B all positive real numbers numbers C None of these D all negative r
What is the difference between a set and a map?
An object is moving to the left with a constant speed. What can be concluded about the forces acting upon the object?
Following the scientific discovery that a specific brain structure is significantly larger in violent individuals than in those who are nonviolent, a new headli
Political realists believe that a. the most important goal of foreign policy is to do what is right. b. it is possible for