解方程:5.4÷(x-0.75)=4.5÷3
问题描述:
解方程:5.4÷(x-0.75)=4.5÷3
答
4.35
答
5.4-0.75+x=7.5
x=7.5-4.65
x=2.85
答
5.4÷(x-0.75)=4.5÷3=1.5
两边乘x-0.75
5.4=1.5(x-0.75)
x-0.75=5.4÷1.5=3.6
x=3.6+0.75
x=4.35