Question

помогите решить уравнение . 5 + 10 ( - 10х - 9 ) = - 3

Answer 1

5+10(-10х-9)=-3

5-100х-90=-3

100х=82

х=0,82

Answer 2

5 - 100x - 90 = -3
-100x = -3 - 5 + 90
-100x = 82
x = -0,82