Question

найдите корень уровнения  6x-91

                                                    ________=-19

                                                          7

Answer 1

-133 = 6х - 91

-42 = 6х

х = -7

ответ: х = -7

 

Answer 2

$frac{6x-91}{7}=-19\ 6x-91=-133\ 6x=-133+91\6x=-42\x=-7$