ПОМОГИТЕ РЕШИТЬ УРАВНЕНИЯ 7 КЛАСС АЛГЕБРА 1) 6(1.2x-0.5)-1.3x=5.9x-32)13x(6x-1)+...

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August 2022 1 9 Report

ПОМОГИТЕ РЕШИТЬ УРАВНЕНИЯ 7 КЛАСС АЛГЕБРА
1) 6(1.2x-0.5)-1.3x=5.9x-3
2)13x(6x-1)+24x=-13-6x(9-13x)
помогите умоляю

Answers & Comments

nessahossler691

$1)6(1.2x - 0.5) - 1.3x = 5.9x - 3 \\ 7.2x - 3 - 1.3x = 5.9x - 3 \\ 7.2x - 1.3x = 5.9x \\ 5.9x = 5.9x \\ xr$

вообщем в первом ответ будет х€R

$2)13x(6x - 1) + 24x = - 13 - 6x(9 - 13x) \\ 78x {}^{2} - 13x + 24x = - 13 - 54x + 78x {}^{2} \\ - 13x + 24x = - 13 - 54x \\ 11x = - 13 - 54x \\ 11x + 54x = - 13 \\ 65x = - 13 \\ x = - \frac{1}{5}$

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