Question

3x +4x= –2x –4 ecuaciones

Answer 1

3x + 4x = –2x – 4

7x = -2x -4

7x + 2x = -4

9x = -4

x = -4/9

Answer 2

Resolver.

3x + 4x = - 2x - 4
7x = - 2x - 4
7x + 2x = - 4
9x = - 4
x = - 4/9

Respuesta.
x = - 4/9