Предмет: Математика, автор: maxiko33

Решите пожалуйста уравнение 3(1-х)-5(х+2)=1-4х
(2+х)*2+(4х-1)*3=10х-7

Ответы

Автор ответа: Аранточка
0
1)3(1-x)-5(x+2)=1-4x 3-3x-5x-10=1-4x -3x-5x+4x=1-3+10 -4x=8 x=-2 2)(2+x)*2+(4x-1)*3=10x-7 4+2x+6x-3=10x-7 2x+6x-10x=-7-4+3 -2x=-8 x=4
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