4x+50%x=90解方程
问题描述:
4x+50%x=90解方程
答
4x+50%x=90
4x+1/2x=90
9/2x=90
x=20
答
详
4x+50%x=90
4x+0.5x=90
4.5x=90
x=90/4.5=20
答
4.5x=90,90除以4.5等于20
答
4x+0.5x=90
4.5x=90
x=20
答
4x+50%x=90
4x+0.5x=90
4.5x=90
x=90/4.5=20
答
4x+50%x=90
4.5x=90
x=20
答
222