Question

(3x+1)-(x+3)=3(x+1)

Answer 1

Resolver.

(3x + 1) - (x + 3) = 3(x + 1)
3x + 1 - x - 3 = 3x + 3
2x - 2 = 3x + 3
- 2 - 3 = 3x - 2x
- 5 = x

Respuesta.
x = - 5

Answer 2

Respuesta:

x = -5

Explicación paso a paso:

$(3x+1)-(x+3)=3(x+1) \\ \\ 3x + 1 - x - 3 = 3x + 3 \\ \\ 2x - 2 = 3x + 3 \\ \\ - 2 - 3 = 3x - 2x \\ \\ x = - 5$