2934715
2934715 2934715
  • 10-12-2021
  • Mathematics
contestada

y=-1,X+2y=9 solve by substitution show all work

Respuesta :

tinybooyah
tinybooyah tinybooyah
  • 10-12-2021

Answer:

x = 11

Step-by-step explanation:

Substitute y = -1 into the equation.

x+2y = 9

; x+2(-1) = 9

x+(-2) = 9

x-2 = 9

x = 9+2

x = 11

Answer Link

Otras preguntas

see attachment. what is the length of x in the diagram below? answer in rational form
Write the equation of the line that passes through the points (8, –1) and (2, –5) in standard form, given that the point-slope form is y + 1 = 1/2 (x – 8).
What’s the answer to this ?
Consider the following balanced equation: Zn + 2H+ Zn2+ + H2 Which elements have oxidation numbers of zero? A. Zn only B. Zn, H+, and each hydrogen atom
A 5-gallon jug of cleaning solution contains 6% bleach. How much pure water should be added to it to dilute to 4% bleach?a. 1/4 gallon of waterb. 2.5 gallons of
HELP!! What are the steps from gene to protein? Label and describe each step.
I’ve got Raymond walking on the inside close to the buildings, ‘cause he’s subject to fits of fantasy and starts thinking he’s a circus performer and that the c
1l A bad contains 6 apples and 4 oranges. If you select 5 pieces of fruit without looking, how many ways can you get 5 apples? 2) How many different 4-letter r
summarize the order of operation for elevated antibody Expressions use complete sentence
Complete the statement