valerietovar956 valerietovar956
  • 04-02-2022
  • Mathematics
contestada

Solve the system of equations by adding or subtracting.
{-x-2y = 3
( 3x + 2y = 15
The solution of the system is

Respuesta :

ItsDingy
ItsDingy ItsDingy
  • 04-02-2022

Answer:

x=9, y=-6

Step-by-step explanation:

you can add to cancel out the y: -x+3x=18. x=9. You then plug x back to get the value for y.

Answer Link

Otras preguntas

An allele that is ________ will be expressed only if it is present on both chromosomes of a homologous pair.
which equation correctly describes a line that is perpendicular to the x-axis?
What was the most significant result of the ruling in Marbury v. Madison? A. The ruling determined that the Judiciary Act of 1789 was unconstitutional. B. Th
Coral reefs are considered organic because they were once made of living creatures. T or F
Two atoms appear to have the same mass number. These atoms A) must have the same atomic number. B) must have the same number of electrons. C) must have the s
Consider the following passage: I do therefore humbly offer it to public consideration that of the hundred and twenty thousand children already computed, twenty
A number is twice another number and the difference is 72. Find the larger number.
Find the quotient of -64 and -8.
What do historians call the period that started at the end of the Renaissance and continues to this day? A. The industrial age B. The modern era C. The
If 12 ounces cost $0.90, how many ounces could you buy for $7.20?