Jawabanmu

2014-04-22T17:06:20+07:00
8×7=5+10+4x+1+11+5+6+10 | 56=48+4x | 4x=8 | x=2 semoga membantu^^
2014-04-22T17:07:54+07:00
(5+10+(4x+1)+11+5+6+10) : 7 = 8
4x = 8 × 7 - (5+10+1+11+5+6+10)
4x = 56 - 48
4x = 8
x = 2