Jawabanmu

2014-02-19T17:47:43+07:00
1) 6x+5 = 25-x
6x+x = 25-5
7x=20
x=20/7
2) 2-4x=3
-4x=3-2
-4x=1
x= 1/-4
3) x-12= 2x+36
x-2x= 36+2
-x= 48
x=-48
4) -5x-4x+10 = 1
-9x= 1-10
-9x= -9
x= -9/-9
x=1
5) 2+x/4 = 5
x/4 = 5-2
x/4=3
x= 3x4
x=12
nomer satu sama 2 masih ragu :D semoga benar :)