24lukpit 24lukpit
  • 22-02-2021
  • Mathematics
contestada

Solve the system of linear equations by substitution. 3x-4y=12 x=-2y+4

Respuesta :

Yang100
Yang100 Yang100
  • 22-02-2021

Answer:

x=4, y=0. (4, 0).

Step-by-step explanation:

3x-4y=12

x=-2y+4

-----------

3(-2y+4)-4y=12

-6y+12-4y=12

-10y=12-12

-10y=0

y=0/-10=0

x=-2(0)+4=0+4=4

Answer Link
irspow
irspow irspow
  • 22-02-2021

Answer:

Step-by-step explanation:

if x=-2y+4

3x-4y=12 becomes

3(-2y+4)-4y=12

-6y+12-4y=12

-10y+12=12

-10y=0

y=0

since x=-2y+4

x=-2(0)+4

x=4

so the solution is the point (4,0)

Answer Link

Otras preguntas

Which of the following accurately describe some aspect of gravitational waves? - the first direct detection of gravitational waves came in 2015 - gravitational
a manual, memo, or report would all be types of ___ documents. a. workplace b. public c. consumer d. research
The question is in the picture. Help.
The Declaration of Independence doeswhat in the list of grievances section?​
Belgian settlers in south africa were known as boers- true or false
First, rewrite 14/25 and 11/20 so that they have a common denominator. Then, use <, =, > to order 14/25 and 11/20 . answer all please A 14/25
Escoge la forma correcta del verbo. Yo ______ un diploma de arquitectura cuando me gradúe. A.tendré B.tendréis C.tendrá D.tendremos
The Berlin Wall was built to:
What physical features made it possible for Rome to extend its influence to Africa ​
PLEASE HELP ASAP!!!!!