50x乘以(x加0.2)等于60x乘以(x减1)
问题描述:
50x乘以(x加0.2)等于60x乘以(x减1)
请大家解解这个方程!急用!谢谢
答
50(X+0.2)=60(X-1)
50X+10=60X-60
70=10X
X=7