Question

Решите уравнение срооочно!!!!!


3(1+х)/5=-9

Answer 1

3+3x/5=-9
3x/5=-12
3x=-60
x=-20

Answer 2

Ответ:

3(1+x)/5 = - 9

3(1+x) = -(5 × 9)

3 + 3x = -45

3x = -45 - 3

3x = -48

x = -48/3

x = -16