60x+50x=60(x+15)+40(x+15)帮忙解一下_数学解答

60x+50x=60(x+15)+40(x+15)帮忙解一下

人气：211 ℃　时间：2020-04-10 14:42:07

解答

60x+50x=60(x+15)+40(x+15)
110x=60x+900+40x+600
110x=100x+1500
110x-100x=1500
10x=1500
x=150