candyeater1214
candyeater1214 candyeater1214
  • 12-03-2014
  • Mathematics
contestada

What is the answer to:
x + y = 4
Y= x+4
Using elimination

Respuesta :

kamil
kamil kamil
  • 12-03-2014
x + y = 4
y = x + 4

x + (x + 4) = 4
y = x + 4

2x + 4 = 4 
y = x + 4

2x = 4 - 4 
y = x + 4 

x = 0
y = 0 + 4

x = 0 
y = 4
Answer Link

Otras preguntas

You are studying traits in betta fish. You decide to cross purebred blue betta fish with purebred green betta fish and observe that all of the offspring are blu
2 questions...both need answers 1. The length of a rectangle is 1 less than 4 times the width. If the perimeter is 118 ft., find the length and the width. You
why is injecting an antigen from a pathogen would help our immune system create "memory" of the infection but not cause the disease
5. Yo ___________ un sándwich de jamón con queso. a. pruebo b. pruebas c. prueba d. probamos e. prueban
what was the societal climate like during the time henrietta lived? how did that impact the authors research?
According to the Declaration of Independence what right did the British often violate
How many groups of 3/4 are in each of the following quantities? 11/4 answer as a fraction. ASAP
About how much glass is needed to cover a circular window with a diameter of 4.8ft? A) 4.5ft2 B) 7.5ft2 C) 15ft2 D) 18ft2
Evaluate 3x^2 + x - 2 when x = -2.
PLEASE PLEASE PLEASE HELP I WILL MARK BRAINLIEST!!!!!!! What do ribosomes and the endoplasmic reticulum have in common? Group of answer choices A) They are both