Wither26078
Wither26078
12-12-2021
Mathematics
contestada
x+y=5
x-1=y
Please help
Respuesta :
hifzur630
hifzur630
12-12-2021
This is a simultaneous equation
Rearrange the second to give
x - y = 1
Add the two equations
(x + y) + (x - y) = 5 + 1
2x = 6
x=3
Substitute 3 into either equation
3 - 1 = y
y = 2
Answer Link
VER TODAS LAS RESPUESTAS ( 99+ )
Otras preguntas
The table describes the types of job openings available in a company. What is the probability that experience is needed for a randomly selected job opening, giv
Question 9 of 10 A density curve for all the possible ages between 0 years and 25 years is in the shape of a triangle. What is the height of the triangle? O A.
A mountaineer is climbing a very tall mountain. She has bottled oxygen (oxygen gas in a rigid, metal cylinder) with her, and she breathes the oxygen on the asce
What is the answer to part B? explanation please
Samples of different materials, A and B, have the same mass, but the sample of A is higher in density. Which statement could explain why this is so? A. The samp
5.) Lincoln's announcement that all slaves in rebelling Southern states is calledthe-OInaugural AddressOEmancipation ProclamationOGettysburg Address
Tiara, a quality assurance inspector at a chocolate factory, checks for product quality using a random sample of 18 pieces of chocolate from a batch of 60, wity
Complete the sentence. The main types of rocks on the earth _______. Select one: are formed early in Earth’s history and cannot change can change into other typ
What does the upper case letter in a genotype represent? A. the recessive gene B. the dominant gene C. purple
The Iroquois League was formed in order to A. bring unity and peace to several warring groups in the region. B. further develop trade routes. C. promote the dev