hagenscool hagenscool

14-12-2016
Mathematics

contestada

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

Respuesta :

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

90 nitroglycerin (c3h5n3o9) is a powerful explosive. its decomposition may be represented by this reaction generates a large amount of heat and many gaseous pro

What is the answer for this problem

how do you write the quotient (9+i) over (9-i) in standard form? I need the answer but more importantly, I need to learn how to solve these kinds of problems.

Rory is staying in a cabin on a hill 300 feet above sea level. She walks down the hill to the water’s edge. The equation of her average change in elevation over

which of the following is the most frequently performed of all early operas?a. awake, a voice calls to usb. Orpheusc. dido and aeneasd. the four seasons

Read this sentence:The rain slid down the windshield like tears on a child's dirty face, each droplet streaking through the mud until it disappeared from view.W

A bear, awakening from winter hibernation, staggers directly northeast for 15 m and then due east for 15 m. Show each displacement graphically and graphically d

How many types of infinitives are there in Spanish

Which of the following was a reason for the failing middle class during the Great Depression. Tax money was given to the poor. Homes were lost because the

Write each expression in radical form a. (10n)3/2 b. a6/5 3/2 and 6/5 are all exponents