4(x-12)=36解方程

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4(x-12)=36解方程4(x-12)=36解方程4(x-12)=36解方程方法一4(x-12)=36x-12=9x=9+12x=21方法二4(x-12)=364x-48=364x-48+48=36

4(x-12)=36解方程
4(x-12)=36解方程

4(x-12)=36解方程
方法一
4(x-12)=36
x-12=9
x=9+12
x=21
方法二
4(x-12)=36
4x-48=36
4x-48+48=36+48
4x=84
x=21

21

4(x-12)=36
x-12=36÷4
x-12=9
x=9+12
x=21

亲 21

4x -48 = 36
4x = 36+48
4x = 84
x = 21

x是21

x-12=9
x=21

4(x-12)=36
4x=24
x=24除以4
x=6

x-12=9
x=21