Question

2x + 1 – 7x + 1 = -2x +1 + 7x =
3x + 1 = 3 – (2 – 2x) =

Answer 1

Respuesta:

Espero te sirva.

Explicación paso a paso:

2x + 1 – 7x + 1 = -2x +1 + 7x =

-5x +2=5x +1 => 2-1=5x+5x => 1=10x

✈1/10 ó 0,1

3x + 1 = 3 – (2 – 2x) =

3x + 1=3 -2 +2x => 3x-2x=5-1 => x=4

✈4