60x+50x=60(x+15)+40(x+15)帮忙解一下

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60x+50x=60(x+15)+40(x+15)帮忙解一下
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60x+50x=60(x+15)+40(x+15)帮忙解一下
60x+50x=60(x+15)+40(x+15)帮忙解一下

60x+50x=60(x+15)+40(x+15)帮忙解一下
60x+50x=60(x+15)+40(x+15)
110x=60x+900+40x+600
110x=100x+1500
110x-100x=1500
10x=1500
x=150