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 you're going to school full time, it will usually take you at least _________ to earn 120 hours of study (or around 40 classes that meet three times a week).
PLS HELP WITH THESE THREE NO LINKS
What is the minimum value of the quadratic function f(x)? 1 f(x) 10 5 + 10 5 --5 10 x 10
Find the value of this expression if x = 9. x2 – 9 x – 7
Simple interest: Use the formula I=PRT P= $ or principal R= % T= time (in years- divide by 12 if given months) Please explain how solve!
how do make 100.50 into a fraction
Need help ASAP please
Which expression is equivalent to + 12 1 -—(6x + 15) -3?
find the range 15,2,3,7,8,4,3,2,16,2,4
Algebra 1 Homework Thanks to whoever helps, have a nice day;)