wylienelson67 wylienelson67
  • 01-01-2021
  • Mathematics
contestada

21 = 4x - 9 - x
what is x?

Respuesta :

p1ands1gma
p1ands1gma p1ands1gma
  • 01-01-2021

Answer:

x = 10

Step-by-step explanation:

21 = 4x - 9 - x

21 = 3x - 9

30 = 3x

10 = x

Answer Link
jimrgrant1 jimrgrant1
  • 01-01-2021

Answer:

x = 10

Step-by-step explanation:

Given

21 = 4x - 9 - x, that is

21 = 3x - 9 ( add 9 to both sides )

30 = 3x ( divide both sides by 3 )

10 = x

Answer Link

Otras preguntas

If (−3.5, y) is a solution to the equation 2x − 5y = 10, what is the value of y? a) -3.4 b) 13.75 c) -0.6 d) -3.75
Gregory Mendel discovered some basic rules about inheritance. DNA. RNA. reproduction.
Define Popular Sovereignty.
Which island chain did Alexei Chirikov discover on the Great Northern Expedition in 1741?
from 20 take the product of 4 and 5
a quarterback completed 68% of his passes in a game. he threw 25 passes. how many passes did the quarterback complete? show how you got it please! thanks
A quarter is what fraction of a dollar
how was the worl started
Frederick the Great is credited with making a great European power. i think its Prussia but i don't know
the basement has an area of 864 square feet. the width of the basement is two thirds its length. What is the length of the basement?