3(x-5)=x+55-5

问题描述:

3(x-5)=x+55-5

X=32.5

x=32.5

3(x-5)=x+55-5
=3x-3*5=x+50
=3x-15=x+50
=3x-x=15+50
=2x=65
x=65/2=32.5

65/2

3(x-5)=x+55-5
3x-15=x+50
3x-x=50+15
2x=65
x=65/2
x=32.5