4分之1乘以(x-8)=12

问题描述:

4分之1乘以(x-8)=12

X-8=12*4
X=48+8
X=56

4分之1乘以(x-8)=12
X-8=12X4
X=48+8
X=56

两边乘以4
x-8=12×4=48
x=48+8
x=56