Решите уравнения: 1) 4x-39=5x+87+2x 2) -15y-109=269+27y - вопрос №143958722151092692731832682616 от sadpepeee 06.02.2022 02:51

Question

Математика: Решите уравнения: 1) 4x-39=5x+87+2x 2) -15y-109=269+27y 3) 18z+38=30z-58 4) -27x+600-29x+152 5) -3*(5y-7)=6*(2y+34)+60 6) 45-5*(12z+3)=186+3*(3z-6)

sadpepeee · Answer

1)4x+5x-2x=87-39                7x=49                 x=49:7                        x=7                                                                                                                          ...