3(x-5)=x+55-5
问题描述:
3(x-5)=x+55-5
答
X=32.5
答
x=32.5
答
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
答
65/2
答
3(x-5)=x+55-5
3x-15=x+50
3x-x=50+15
2x=65
x=65/2
x=32.5