BTSJoonie BTSJoonie

03-11-2017
Mathematics

contestada

2x+8=7x-12 || -m/4+5=2 || 3x-8=-17 ||

Respuesta :

03-11-2017

2x+8=7x-12 we put the x in a side and the number in the other side
5x = 20
x= 20/5 = 4

-m/4+5=2
common denominator
-m /4 + 20/4 = 2/4
-m +20 = 2

m = 20-2 =18

3x-8=-17

3x = -17 +8

3x = -9

x= -9/3 = -3

Answer Link

Otras preguntas

Online Library catalog has tools to save students search, but does not provide ready book citations. True or False?

Heating 2.40 g of the oxide of metal X (molar mass of X = 55.9 g/mol) in carbon monoxide (CO) yields the pure metal and carbon dioxide. The mass of the metal pr

The revolutions of 1848 were motivated by which idea?

An archer pulls her bowstring back 0.376 m by exerting a force that increases uniformly from zero to 251 N. (a) What is the equivalent spring constant of the bo

Journals and government documents can be categorized as

The British Commonwealth is A)the national treasury. B)the British social services system. C)an alliance of former British colonies. D)a

A point on the rim of a wheel moves with a velocity of 60 feet per second. Find the angular velocity of the point if the diameter of the wheel is 6 feet. 10 ra

When a political group grandstands or exaggerates its position to the public, it can be said it is for approval.

Which statement about the Northeast is not true? A. New York is a popular tourist destination. B. All states in the Northeast are in New England. C. Pennsylvani

3. What does the speaker mean by “No later light has lightened up my heaven"? A The speaker has not smiled since her lover's death. B The speaker has not fallen