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 ( 56+ )
Otras preguntas
The idea that the universe began from a single point and expanded to its current size explains a large number of observations, including those in the table belo
simplify the ratio 4.5: 3 1/2 in its simplest form
A stone attached to a string is whirled round in a horizontal circle with constant speed of 10m/s .Calculate the difference in the velocity with the stone is at
A fair dice is rolled. Work out the probability of getting a number less than 5. Give your answer in its simplest form.
There are two sons and two farhers in a car, yet there are only 3 people in the car. How can it be possible?
Help me pls I put the picture in the attach file below (Sorry i'm in secondary school but i have a problem with my settings)
Describe the sliding filament model of muscle contraction. What role do acetylcholine and acetylcholinesterase play in muscle contractions
You have received a letter from your English-speaking penfriend. I'm doing a social studies course at college and I've got a project to do about family life. Ca
find the equation of the line shown
Y=-4x-2 and intersects at the points (4,-1)
