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

you are planting a rectangle garden. it is 5 feet longer than 3 times its width. the area of the garden is 250 feet. find the dimensions
how are airplanes artificially pressurized?
what is chemical energy?
70-q-q-2q=80 We'll this is confusing
Whats the equation of a circle centered at (7,1) that passes through (-2,10)
the measure of distance from one point to another is?
A rectangular prism has a volume of 105 m3. This prism is enlarged using a scale factor of 4. What is the volume of the enlarged prism?Please Explain...
factoring, x squared +x-6?
isabella has found that she stays the most fit by running variouse dinstances and terrains through out the week. On mondays she runs 2.5 miles, on tuesdays 4.6
Given 4 percent of (2a + b) is 18 and a is a positive integer, what is the greatest possible value of b?