Jawabanmu

2014-02-03T14:49:45+07:00
A. 6x+5 = 26-x
6x+x = 26-5
7x = 21
x=3

b. 2-4x = 3
-4x=3-2
-4x = 1
x= - 1/4

c. x-12 = 2x+36
x-2x = 36+12
-x = 48
x=-48

d. -5x-4x +10 = 1
-9x = 1-10
-9x=-9
x=1

e. 2 + x/4 = 5
(8+x)/4 = 5
8+x = 20
x=20-8
x=12