а) 4 (x - 5)-(7x + 4)=6б) (3x - 1) - 3 (2 - x)=11в) 5 (3 - 2x) - (2 - x)= -8 г) (4x - 1) - 6 (2x + 2)= 25. Created by robert25. algebra-ru

а) 4 (x - 5)-(7x + 4)=6б) (3x - 1) - 3 (2 - x)=11в) 5 (3 - 2x) - (2

dbookerkst А) 4 (x - 5)-(7x + 4)=6
4x-20-7x-4=6
-3x=30
x=-10
б) (3x - 1) - 3 (2 - x)=11
3x-1-6+3x=11
6x=18
x=3
в) 5 (3 - 2x) - (2 - x)= -8
15-10x-2+x=-8
-9x=-21
x=7/3
г) (4x - 1) - 6 (2x + 2)= 25
4x-1-12x-12=25
-8x=38
x=-19/4

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mmb1

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Да, ошибка в ур.1.
Исправлена.

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