3(-1-х)-2х=9 6(4-х)+3х=3 -9(8-х)-4х=-2 -5(-1+9х)-5х=-1 - вопрос №407441931296433984251951 от leka121314 14.11.2021 16:23

Question

Алгебра: 3(-1-х)-2х=9 6(4-х)+3х=3 -9(8-х)-4х=-2 -5(-1+9х)-5х=-1 решите ,кому не трудно: )

leka121314 · Answer

1) - 3 - 3x - 2x = 9- 5x = 9 + 3- 5x = 12x = - 2,42) 24 - 6x + 3x = 324 - 3x = 3- 3x = - 21x = 73) - 72 + 9x - 4x = - 25x = 70x = 144) 5 - 45x - 5x = - 1- 50x = - 6x = 0,12...