kylieweeks052704 kylieweeks052704
  • 03-02-2019
  • Mathematics
contestada

x + y = 5 ; x - y =3 solve using linear combination

Respuesta :

brasbo23
brasbo23 brasbo23
  • 03-02-2019

Answer:

x = 4

y = 1

Step-by-step explanation:

use one equation to solve for one variable.

y = 5 - x

Now plug the value of y in the other equation

x - (5-x) = 3

x+x= 3+5

2x=8

x=4

Now use the value of x to find the value of y on the first equation

y = 5 - x

y = 5 - 4

y = 1


Answer Link

Otras preguntas

Find the measures of the numbered angles for each parallelogram.
what number would complete the pattern below107 98 90 83 77 - 68 65
expressing rational numbers with decimal expansions
Find a graph in the newspaper or on the computer .write 5 questions about the graph. share it with your family
n= t/t. if n = 8.00 and t = 2.30 days, what is the value of t with proper units
It’s ok to give a speech when the audience knows more than you. True False
Paco uses a spinner to select a number from 1 through 5, each with equal probability. Manu uses a different spinner to select a number from 1 through 10, each w
a railroad car with a mass of 30,000 kg is moving at 2.0 m/s when it runs into an at-rest freight car with an equal mass. the cara lock together. what is their
which was a source of conflict between mexico and the american settlers in texas in the 1830s? a.american settlers in texas wanted the same rights as u.s. resid
How to write expanded form 314,207