Question

5*(x+12)-22=92

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Answer 1

5*(x+12)-22=92

=>5*(x+12)=92+22=114

=>5x+12=114

=>5x=114-12=102

=>x=102:5=\(\dfrac{102}{5}\)

Answer 2

5*(x+12)-22=92

⇔5x+60-22=92

⇔5x=92+22-60

⇔5x=54

⇔x=9

Answer 3

5.(x+12)-22=92

<=>5.(x+12)=92+22

<=>5.(x+12)=114

<=>x+12=114:5

<=>x+12=22,8

<=>x=22,8-12

<=>x=10,8

Vậy x=10,8