Question

5y+ 7y-12/3 = y+13 помогите плиз

Answer 1

5y + 7 y - 12/3 - y - 13 = 0
11y - 12/3 - 13 = 0
11 y = 12/3 + 13
11y = 12/3 + 39/3
11y = 51/3
11y = 17
y = 17/11