ernest4634 ernest4634

07-10-2017
Mathematics

contestada

3x+y=5
y=2x
Substitution method

Respuesta :

ruhibreddy ruhibreddy

07-10-2017

Substitute 2x as y:

3x + y = 5
3x + 2x = 5
5x = 5
x = 1

Now, substitue 1 as x into one of the two equations:

y = 2x
y = 2(1)
y = 2

Hope this helps!

Answer Link

Otras preguntas

After seventy seven failed attempts the hockey team finally won the championship. now one half of the fans think the city should name a street after the winning

An airport in a country that has an elevated occurance of terrorism profiles airline passengers and semi-randomly selects who will undergo additional screening.

At sea level, the atmospheric presses down with a force of about _____ kilogram per square centimeter. Question 8 options: 4 1 3 2

If you where doing inquiry on the influence of studying music on brain function, which would be the best question to ask you generate an explanation

help me please I really need it

what is x3+y3+z3=k explain what the answer is.

if f(x)=-5, what is x?

Assinale a alternativa correta com relação ao conceito de judicialização da política. a ) O Poder Judiciário começa a decidir sobre questões eleitorais. b ) O P

Brian has a new job and earns a salary of $25,000. Marci has a new job and earns a salary of $33,000. Brian will receive a salary increase of $3,500 per year, a

anyone one waana to talk?