ria3545
ria3545
04-02-2021
Mathematics
contestada
solve the simultaneous equations
2x+3y=13
4x-y=-2
Respuesta :
assvecca
assvecca
04-02-2021
from eq1 ,
2x = 13-3y
x = 6.5-1.5y (eq 3)
sub eq 3 into eq2,
4(6.5-1.5y)-y=-2
26-6y-y=-2
-6y-y=-2-26
-7y=-28
7y=28
y=4 ( eq 4 )
sub eq4 into eq3 ,
x=6.5-1.5(4)
x=6.5-6
x=0.5
Answer Link
VER TODAS LAS RESPUESTAS ( 74+ )
Otras preguntas
Use the subjects and verbs provided and include the vocabulary word for the images in your complete French sentences. Example: a television set Je/regarder Res
Select all that apply. Which of the following should be included in a thorough critique of a short story?
In “Transformation Peace” the rifle and the flower stand for?
Answer all of them please
list reasons people wanted to end prohibition
Choose the answer that identifies the three cases of pronouns. A. Nominative, Objective, Possessive B. Objective, Possessive, Prepositional C. Objective, Indefi
Which of these pieces of legislation was an important step in limiting slavery?
How do I find the ratio of 153 to 53
what two numbers can go into 3 and add up to 4
_______________ are self-imposed restraints that help us keep a check on our actions. Parental monitors Aggressive behaviors Inhibitions Curfews
