Question

Решите уравнение3(5+3x)-6(2x-4)=12x+19

Answer 1

3(5+3x)-6(2x-4)=12x+19

15 + 9x - 12x + 24 = 12x + 19

9x - 12x - 12 x = 19 - 15 - 24

-15x = -20

x = -20 / (-15)

x= $1\frac{1}{3}$