hagenscool
hagenscool hagenscool
  • 14-12-2016
  • Mathematics
contestada

how do you solve 21/4=1/2x+3x and whats the answer?

Respuesta :

Korianna
Korianna Korianna
  • 14-12-2016
Hi there!

To solve is pretty easy. First, simplify.

21/4=(1/2x+3x) -> Combine Like Terms
21/4=7/2x
FLIP
7/2x=21/4

Multiply both sides by 2/7.
(2/7)*(7/2x)=(2/7)*(21/4)
x = 2/3

Hope this helps!
Answer Link

Otras preguntas

Help me I got stuck Pls
SOLVEEEE NOWWWWW HURRRYYYYYY
During the school age years,childern develop their____________,which is their sense of worth,purpose,security,and confidence
Question 8 of 8 Find the slope-intercept equation of the line. Plz help last question I need the equation plz
“ Write a four paragraph essay explain the impact of the Second Industrial Revolution in the United States. The introduction and conclusion should be three sent
why did the united states soviet union almost come to war over cuba?​
Ramil and Carly decided to make more baked goods for the bake sale. They used 1/7 lb less flour to make bread than to make cookies. She used 1/5 lb more flour t
What is the sum of 6x - 11y + 2x + 2y? the answer need to be a formula of answer+answer this is 15 points, so please help
given the functions f(x)=2x-4 and g(x)= x+2 find the value of x Show your work
Rewrite each sentence using the appropriate singular or plural form. Abraham es serio