Ughmega Ughmega

04-09-2015
Mathematics

contestada

X-(4x-7)=5x-(x+21)
This is for my math class on homework

Respuesta :

Emily2020279 Emily2020279

04-09-2015

x-(4x-7)=5x-(x+21)
x-4x+7=5x-x-21
-3x+7=4x-21
-7 -7
-3x=4x-28
-4x -4x
-7x=-28
/-7 /-7
x=4

Answer Link

Otras preguntas

If an Arctic polar bear is transferred to a zoo in tropical Singapore, it will not be able to survive. What could be the reason for this? a-tolerance only for c

Feudalism is the bond of loyalty between a lord and his servant ?

In a foreign country, half of 5 = 3. Based on that same proportion, what's one-third of 10?

A scientist has chosen to study the motion of clouds in the atmosphere during a thunderstorm. Which type of model is most appropriate for her investigation? a.

what is 0.3 repeating as a fraction in simplest form

Give the chemical name and formula for limestone.

How is diffusion related to smelling the odor of a skunk that is far away

Relationship B has a lesser rate than Relationship A. The graph represents Relationship A. Which equations could represent Relationship B? Choose all answers t

Which is a major function of diffusion in cells? A. to produce proteins B. to carry out mitosis C. to convert food into energy D. to get rid of waste material

Converting carbon to nitrogen by increasing the number of protons from 6 to 7 and decreasing the number of neutrons from 8 to 7 is an example of what type of de