Решите уравнение : 3(5+3х)-6(2х-4)=12х+19

Question

Решите уравнение : 3(5+3х)-6(2х-4)=12х+19

Answer 1

3(5+3х)-6(2х-4)=12х+19

15+9х-12х+24=12х+19

-3х-12х=19-39

-15х=-20

3х=4

х=4/3

х= 1 1/3