Jawabanmu

2014-08-28T21:37:35+07:00
2x + 10 = 40
2x = 40 - 10
2x = 30
x = 30/2
x = 15
Jawaban paling cerdas!
2014-08-28T21:38:16+07:00
Ada 1 variabel 

2x+10=40
2x=40-10
2x=3=
x=15

jadikan jawaban terbaik ya 

2x + 10 = 40
1 variabel
2x+10=40
2x=40-10, = 2x=30, =30:2=15, x=15
maaf yang tadi salah... 2x 10 = 40 2x =40-10 2x =30 x =30:2 =15