Чему равен y 5,05•(4,7y-20,8)+2,63=40. Created by AnnaAlekseeva170705. matematika-ru

Чему равен y 5,05•(4,7y-20,8)+2,63=40...

AnnaAlekseeva170705 @AnnaAlekseeva170705

July 2022 1 3 Report

Чему равен y 5,05•(4,7y-20,8)+2,63=40

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zhenyaM2002

Verified answer

5,05 * (4,7у - 20,8) + 2,63 = 40
5,05 * 4,7у + 5,05 * (-20,8) = 40,00 - 2,63
23,735у - 105,04 = 37,37
23,735у = 37,37 + 105,04
23,735у = 142,41
у= 142,41 : 23,735
у= 6
===============================
5,05*(4,7*6 - 20,8) +2,63 = 40
5,05*(28,2 -20,8) +2,63=40
5,05 * 7,4 + 2,63 = 40
37,37 +2,63 = 40
40=40

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