alisonedwards alisonedwards
  • 02-04-2021
  • Mathematics
contestada

how to solve x-2y=8 and x=5-y using substitution method and showing work and please give me the correct answer

Respuesta :

23abdour
23abdour 23abdour
  • 02-04-2021

Answer:

y = -1

Step-by-step explanation:

Set up

x-2y  = 8

Substitute 5-y for x

5 - y -2y = 8

Combine like terms

-3y + 5 = 8

Subtract 5 from both side

-3y = 3

Divide by -3

y = -1

Answer Link

Otras preguntas

Subtract 4 ounces from 5 pounds. 3 lb., 12 oz. 5 lb., 6 oz. 4 lb. 12 oz. 3 lb., 8 oz.
What are the intercepts of the line? A. x-intercept: –3; y-intercept: –7 B. x-intercept: –3; y-intercept: 7 C. x-intercept: 7; y-intercept: –3 D. x-intercep
The mass of one liter of water is about one ____ A : Milligram B : Kilogram C : Gram
Which sentence does not contain any punctuation errors? A. My two best friends Alexandra and Bethany, went with me on a shopping trip. B. My two best friends, A
Every chlorine atom has
which ethnic group first settled in australia
what does y=3x mean on a line graph
17. How many moles are there in a sample containing 1000 molecules of H2O?18. If you wanted a sample of H2O containing 6 x 23molecules, how could you measapprox
PLEASE help with math! Using the equation above for the line of best fit (y = 1.5x + 9), predict the length of the spring when 20 weights are attached.
First, read the pair of sentences and notice how they were combined. Then, indicate if the new sentence includes a compound subject, compound verb, or compound