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

Otras preguntas

If a dog can run 8km in 4 hours, what is the dog's speed?
why is a maze a good model for problem solving
Who extended the idea that the mass of the atom was concentrated within the nucleus?
What were the distinctive features of China's political system under the Han?
Which of the following is an example of dating violence? Giving your partner gifts you like Insulting your partner Having time to yourself Discussing your
You have been asked to prepare an 8.50M solution of sodium hydroxide, NaOH in a 250mL volumetric flask. How many grams of solute will you have to mass on the ba
this mountain chain stretches from northern georgia all the way to the state of maine
What structural decision does William Carlos Williams make in "Landscape with the Fall of Icarus" that makes the poem seem short and quick? A. Use of 10 sylla
The slope-intercept form of the equation of a line that passes through point (–3, 8) is y = –2/3x + 6. What is the point-slope form of the equation for this lin
I need help with matrices