Question

7x - 8 = 713 

Tìm x

Answer 1

7x- 8 = 713

7x = 713+8

7x=721

x=721:7

x=103

vậy x=103

Answer 2

\(7x-8=713\)

\(7x=721\)

\(x=103\)

Vậy \(x\in\left\{103\right\}\)

Answer 3

7x=713+8

7x=721

x=721:7

x=13

Answer 4

7x       =713+8

7x       = 721

x         =721 : 7

x          = 103 

:))))))))) bài dễ lắm lun