camilajune6969 camilajune6969

04-09-2020
Mathematics

contestada

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

Respuesta :

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

An isosceles triangle has three equal sides?

A rabbit hopped down the street, the street was 90 yards long and he did it in 9 seconds, what was his average speed?

at the city museum child admission is $5.90 and adult admission is $9.90 on Tuesday twice as many adult tickets as child tickets were sold for a total sales of

help me many points

Please help I am dying from this question Will mark brainiest if answer is given

What is the difference between normal score and standard score?

Saan nakabatay ang maayos na paraan ng pag- iral at pamumuhay?

if the discriminant is positive then the solution will be:

I accidentally clicked one, can you please tell me if it's correct or not. if you don't know, please don't answer I need a 100 on this.Thank you :)

solve for s. -6 = s - 9