Уравнение (3x+7):5-(5x+4):10=2

Question

Уравнение (3x+7):5-(5x+4):10=2

Answer 1

3х+7 5х+4
-------- – -------- = 2
5 10

2(3х+7)–(5х+4)
---------------------- = 2
10

6х+14–5х–4
------------------ = 2
10

х+10
------ = 2
10

х+10=20
х=10