6x+30=3(x+30)怎样解如题
问题描述:
6x+30=3(x+30)怎样解
如题
答
6x+30=3x+90
3x=60
x=20
答
6x+30=3(x+30)
6x+30=3x+3×30
6x+30=3x+90
移项
6x-3x=90-30
3x=60
x=60÷3
x=20
答
6X+30=3X+90
6X-3X=90-30
3X=60
X=20
答
6x+30=3(x+30)
6x+30=3x+90
3x=60
x=20