4x+50%x=90解方程

问题描述:

4x+50%x=90解方程

4x+50%x=90
4x+1/2x=90
9/2x=90
x=20


4x+50%x=90
4x+0.5x=90
4.5x=90
x=90/4.5=20

4.5x=90,90除以4.5等于20

4x+0.5x=90
4.5x=90
x=20

4x+50%x=90
4x+0.5x=90
4.5x=90
x=90/4.5=20

4x+50%x=90
4.5x=90
x=20

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