С3=4 (x+2) -7=5 (х+5) 7 (х-1)=3х 5 (х-3)=44 4 - вопрос №8713312342755713534446 от lisovskymaxim2006 29.07.2021 20:07

Question

Математика: С3=4 (x+2) -7=5 (х+5) 7 (х-1)=3х 5 (х-3)=44 4 (х+6)=х

lisovskymaxim2006 · Answer

1) 3 = 4(x + 2)3 = 4x + 84x + 8 = 34x = -5x = - = -1,252)-7 = 5(x + 5)-7 = 5x + 255x + 25 = -75x = -32x = - = -6,43) 7(x - 1) = 3x7x - 7 = 3x7x - 3x = 74x = 7x = 4)5(x - 3) = 445x - 15 = 445x = 59x =  = 11,85)4(x + 6) = x4x + 24 = x4x - x = -243x = -24x = - = -8...