13)2(x-2)-1=5(x-2)-7

Question

13)2(x-2)-1=5(x-2)-7

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Answer 1

2(x-2)-1=5(x-2)-7
2х-4-1=5х-10-7
2х-5=5х-17
-3х=-12
х=-12/(-3)
х=4

Answer 2

2(х-2)-1=5(х-2)-7
2х-4-1=5х-10-7
2х-5=5х-17
2х-5х=-17+5
-3х=-12
х=-12:(-3)
х=4
Ответ:4