5(0,2-0,6)-4(1,25х+0,5)= Якщо х=(-2) а- 9 б- (-9) в- 3 Помогиите пжжжжж. Даю 15 балов. Created by a8046893.

5(0,2-0,6)-4(1,25х+0,5)= Якщо х=(-2) а- 9 б- (-9) в- 3 Помогиите пжжжжж. Даю 15 балов

a8046893 @a8046893

July 2023 1 0 Report

5(0,2-0,6)-4(1,25х+0,5)=
Якщо х=(-2)
а- 9
б- (-9)
в- 3
Помогиите пжжжжж. Даю 15 балов

Answers & Comments

sstavridka

Ответ:

[tex]5 \times (0.2 - 0.6) - 4 \times (1.25x + 0.5) = \\ = 5 \times ( - 0.4) - 5x - 2 = \\ = - 2 - 5x - 2 = \\ = - 5x - 4 \\ \\ x = - 2 \\ - 5 \times ( - 2) - 4 = 6[/tex]

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