(120-50x)/5=(50x-5x)/(50+ - 知识问答

(120-50x)/5=(50x-5x)/(50+5)+(120-50x)/50 求结果

3个回答

(120-50x)/5=(50x-5x)/(50+5)+(120-50x)/50
24-10x=9x/11+(12-5x)/5
两边乘55
1320-550x=45x+132-55x
450x=1188
x=66/25

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