5乘x=4乘(x加10)等于多少

问题描述:

5乘x=4乘(x加10)等于多少

5x=4(x+10)
5x-4x=40
x=40

X=10

x=40

看不明白,x=10吧

5乘x=4乘(x加10)
5x=4×(x+10)
5x=4x+40
5x-4x=40
x=40

5x=4(x+10)
5x=4x+40
5x-4x=40
x=40