Реши уравнения 540:(4·х-2)=30

Question

Реши уравнения 540:(4·х-2)=30

Answer 1

540 = 30(4x – 2),
4x – 2 = 18,
4x = 20,
x = 5.

Ответ: 5.

Comments

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Answer 2

4*х-2=540:30
4*х-2=18
4*х=18+2
4*х=20
х=20:4
х=5
Того: 540:(4*5-2)=30
30=30

Comments

спасибо