hanksdude
hanksdude hanksdude
  • 03-10-2016
  • Mathematics
contestada

What is the value of x in the equation 7x + 2y = 48 , when y = 3?

x =

Respuesta :

abates950
abates950 abates950
  • 03-10-2016
Plug in 3 for "y":

7x + 2y = 48

7x + 2(3) = 48

2*3 = 6

7x + 6 = 48 
Then, you have to subtract 6 to both sides..

7x = 42

Divide 7 to both sides and the your answer would be 6
Answer Link
navreahceaser navreahceaser
  • 12-07-2018

the answer would be x=6

Answer Link

Otras preguntas

The numbers represent the radius, in meters of different elementsOrder the numbers from greatest to least with greatest at the top and least at the bottom
The speed of an electron in an orbit around hydrogen atom is 2.2*10^6 ms^-1.It takes 1.5*10^-16 s for the electron to complete one orbit. Calculate the radius o
Triangle A Triangle B Triangles A and B are O A. only similar O B. only congruent O C. both similar and congruent D. none of the above
gabriel created 270 grams of aluminum oxide from 145 grams of aluminum. what was his percent yield? A. 99.1% B. 98.6% C. 97.2% D.96.5% ( it’s not “D” because I
A unit used to measure force
Select the correct answer. Which statement is true?
will chipmunks come out of their hole after u drop a corn into it
is the struggle Gay Liberation fought for still relevant today?
If noise levels are high enough that you have to raise your voice within feet of a co-worker to be heard, you should be using hearing protection. a) six b) ten
I am a multiple of 30, if you round me to the nearest hundred, you can get 400, what number could I be? *