Question

реши уравнение: 8х-(6х+8)=26

Answer 1

8х-6х-8=26

2х=26+8

2х=34

х=17

Answer 2

$8x-(6x+8)=26$

 

$8x-6x-8=26$

 

$8x-6x=26+8$

 

$2x=34$

 

$x=34:2$

 

$x=17$

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$8cdot17-(6cdot17+8)=26$ (это проверка)

 

$136-(102+8)=26$

 

$136-110=26$

 

$26=26$