ws6025p09my1
ws6025p09my1
01-12-2017
Mathematics
contestada
求解8 [7 - （6x - 6）] + 6x = 0。
Respuesta :
tynollette
tynollette
01-12-2017
先除掉小括号：
8[7-6x+6]+6x=0
8[13-6x]+6x=0
再除掉中括号：
104-48x+6x=0
-42x=-104
x=104/42=52/21
得数有点怪怪的，但我算了两边还是这个结果
Answer Link
VER TODAS LAS RESPUESTAS ( 98+ )
Otras preguntas
A(n) ____________________, which allows current to flow in one direction only, consists of two types of semiconductors joined together.
the expression 1.5t + 20 predicts the height in centimeters of a plant t days from today.What is the predicted height of the plant 5 days from today?
Quick Fix Inc. repairs bikes. The company’s revenue equals R(h) = 400 + 220h dollars for every h hours spent repairing bikes. The company’s overhead cost equals
What compromise did the Federalists make in order to ensure ratification in Virginia and New York? a. to include a grievance list in the Constitution c. to coun
Wright’s mother mainly worries that the publication of his story will harm his __________. a. character b. reputation c. development as a writer d. relationship
Need help, plzzz!! Read the sentence.... Probes and satellites (has, have) no crew, but a rocket or shuttle often (carry, carries) astronauts. Which verbs corre
Help, Q: Dad yelled, "Get over here and give me a hand with this!" a. Simile b. Hyperbole c. Metonymy d. Synecdoche
Which of the following weapons helped continue the stalemate on battlefields during World War I
the cephalothorax is a fusion of
If we were to examine a vocabulary word for two languages in the same language family (for example, English and German), which of the following would be the mos
