4x+18=58
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4x+18=58
4x=58-18
4x=40
x=40÷4
x=10
咨询记录 · 回答于2022-04-28
4x+18=58
4x+18=584x=58-184x=40x=40÷4x=10
亲,记得写解,结果是 x=10
亲,还有什么疑问
2x÷3-2=8
10x-6=42
2x÷3-2=82x÷3=2+82x=10×32x=30x=15
10x-6=4210x=42+610x=48x=4.8
x+5X-2=34
12+7X=26
76-2x=40
x+5X-2=346x=34+26 x=36x=6
12+7X=267x=26-127x=14x=2
76-2x=402x=76-402x=36x=18
4x+28+9=27
4x+28+9=274x=27-28-94x=-10x=-10÷4x=-2.5