5
Объяснение:
у = х - 1
5х + 2 (х - 1) = 16
5х = 2х - 2 = 16
3х = 18
х = 6
у =6 - 1 = 5
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5
Объяснение:
у = х - 1
5х + 2 (х - 1) = 16
5х = 2х - 2 = 16
3х = 18
х = 6
у =6 - 1 = 5