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

How many children did king John have
Does wind have atoms and molecules in it?
Why is cactus hill really important?
True or False? The line "Fainting I follow, I leave off therefore" contains both a caesura and alliteration.
What differentiates baseline activities from health-enhancing activities?
which transformation preserves similarity between the preimage and image, but does not preserve congruence
Michelle is thinking of a shape. It is not a polygon. It has two sides what is it?
Why were political machines difficult to break up?
Find the volume of a cylinder made by rotating a rectangle with a width of 5 feet and a length of 8. Round to the nearest whole number
(4x-2)*6(2x+7) in standard form