vievy vievy
  • 01-10-2021
  • Mathematics
contestada

Find the value of x if the arithmetic mean of 3 and 3x+5 is 8?

Respuesta :

JohnAnkrah
JohnAnkrah JohnAnkrah
  • 01-10-2021

Answer:

3x

Step-by-step explanation:

3x+5=8

Group like terms

3x=8-5

3x=3

Divide both side by the co-efficient of x which is 3

3x/3=3/3

x=1

Answer Link

Otras preguntas

Martha bought 20 5⁄6 yards of fabric to make curtains. She only used 16 7⁄9 yards of the fabric. How much fabric remained?
decrease £250 by 15%
Michelle put $2000 in a savings account at 1.75 percent interest. She kept it there for 8 years. How much interest did she earn? $280 $4.38 $35 $43.75
A ________ is an example of an input device. Unscramble these letters for the answer: D Y B R O K A E
Vladimir lenin introduces his new economic policy in 1922 in order to: A. Reduce government control over the economy B. Collectivize the soviet economy for the
Why were europeans diseases a problem for native cultures?
Simplify the expression 3a+4+b+2a+5+b
PLS HELP ASAP 50 POINTS AND BRAINLIEST USER
find the values of x and y X=__ (simplify your answer.)
Read the excerpts below and answer the question. That the impious presumption of legislators and rulers, civil as well as ecclesiastical, who, being themselves