camilajune6969 camilajune6969
  • 04-09-2020
  • Mathematics
contestada

If y = 3x and 2x + 4y = 12, then 2x + 4(3x) = 12

Respuesta :

cvinta cvinta
  • 08-09-2020

Answer:

x=6/7 and y=18/7

Step-by-step explanation:

If y = 3x and 2x + 4y = 12,

then substitute the value of y with 3x

2x + 4(3x) = 12

2x+12x=12

14x=12

x=12/14=6/7

y=3x=3*(6/7)=18/7

Answer Link

Otras preguntas

5. What's the term used to describe limiting the federal government to powers specifically listed in the Constitution? A. Strict construction B. Loose constr
Why did the US attack Iwo Jima?
In what way did the ideas of the declaration of Sentiments differ from the ideas found in the Declaration of independence??
Which statement accurately describes an event or belief that led to the First Crusade? a. Islamic libraries destroyed Greek texts before scholars could copy th
European interest in the Middle East intensified after oil was discovered in the region. Please select the best answer from the choices provided. T F
according to tradition, what does filial piety require of children
The commands on an Edit menu may change as a result of your actions. True or False
did Galileo help us understand Saturn
How can I answer this question?
Poor sanitation and lack of access to clean water are examples of the effect of