(9x+5)-(x+5)=40 怎么解

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(9x+5)-(x+5)=40怎么解(9x+5)-(x+5)=40怎么解(9x+5)-(x+5)=40怎么解(9x+5)-(x+5)=409x+5-x-5=408x=40x=40÷8x=5去括号8x=

(9x+5)-(x+5)=40 怎么解
(9x+5)-(x+5)=40 怎么解

(9x+5)-(x+5)=40 怎么解
(9x+5)-(x+5)=40
9x+5-x-5=40
8x=40
x=40÷8
x=5

去括号
8x=40
x=5

9x+5-x-5=40
8x=40
x=5

9x+5-x-5=40
9x-x=40
8x=40
x=5
祝你开心!元旦快乐!

(9x+5)-(x+5)=40
9x+5-x-5=40
8x=40
x=5

=9x-x=40,8x=40,x=5

8X=40
X=5