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:

1

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

What is 2 divided by 2/5
A student carried out an investigation into the effect of temperature on the rate of an enzyme-catalysed reaction. At each temperature, the substrate concentrat
translate the sentence into an equation Eight times the sum of a number and 6 is 9. use the variable w for the unknown number
Ten gram of hydrated calcium tetra oxo sulphate(vi) ( caso4 × H20 weighs 7.90g after heating and cooling. Calculate the empirical formula of the compound
Rewrite each fraction with a denominator of 24 2/3 5/8
What is meta genetics​
Bill’s Bikes sells new and used bikes. Bill buys used bikes, fixes them, and marks up the prices by 80%. The salesperson selling the bike gets a 25% commission
Add a method reflect_x to Point which returns a new Point, one which is the reflection of the point about the x-axis. For example, Point(3, 5).Reflect_x() is (3
when did hawking notice clumsiness for the first time?​
Bill’s Bikes sells new and used bikes. Bill buys used bikes, fixes them, and marks up the prices by 80%. The sales person selling the bike gets a 25% commission