memecobb123
memecobb123 memecobb123
  • 13-03-2021
  • Mathematics
contestada

Solve the system of equations by adding or subtracting.
3x + y = 13
2x + y = 8


The solution of the system is (____, _____).

Respuesta :

123starstar7221
123starstar7221 123starstar7221
  • 13-03-2021

Answer:

(5, -2)

Step-by-step explanation:

3(5)=15   15+-2=13

2(5)=10    10+-2=8

hope this helps!

Answer Link
lnseed lnseed
  • 13-03-2021
(5, -2) this easy use elimination multiply one of the equations by -1, x,y
Answer Link

Otras preguntas

Use the data below, showing a summary of highway gas mileage for several observations, to decide if the average highway gas mileage is the same for midsize cars
2. How might a mutation that causes a single letter change in the DNA sequence affect your protein structure and function?
TEN POINTS !!!!1 . Type the correct answer in the box. Simplify this expression:
Jeremy makes $57,852 per year at his accounting firm. How much is Jeremy’s monthly salary? (There are 12 months in a year.) How much is Jeremy’s weekly salary?
which part of an amino acid distinguishes it from every other kind of amino acid A. side group B. phosphate group C. amino group D. carboxyl group
what are the 3 techniques used for running a busines
What is the solution of log (2 t + 4) = log (14 minus 3 t)? –18
Find the critical value z Subscript alpha divided by 2 that corresponds to the confidence level 90​%.
Simplify (-2x^3)^2 x y x y^9
The probability of the event​ "have a​ Bachelor's Degree" is ▼ by the occurrence of the event​ "never married", and the probability of the event​ "never married