Решите уравнение а)(6y+1,5)(2,4-0,8y)=0 б)12x-(5x-8)=8+7x

Question

Решите уравнение
а)(6y+1,5)(2,4-0,8y)=0
б)12x-(5x-8)=8+7x

Answer 1

Б)12x-5x+8=8+7x
7x+8=8+7x
7x-7x=8-8
0=8-8
0=0