Question

найдите корень уравнения 2/9x-1 1/3=x+1

Answer 1

2/9х - 1 1/3 = х + 1      2/9х -4/3 = х +1       2/9х - х = 4/3 + 1     - 7/9х = 2 1/3
-7/9х = 7/3   х = -3

Answer 2

2/9х - 1 1/3 = х+1; 2/9х - х = 1+1 1/3; 2/9х - 9/9х = 3/3 + 4/3; -7/9х = 7/3; х = -7/3 : 7/9 = -7/3 × 9/7; х = -3