Respuesta :

valenzuelaalicia5

Answer:

2(x+4)-1=2x+7 is true for everything

Step-by-step explanation:

2(x+4)-1

2(x+4)

=2x+2*4

=2x+8

=2x+8-1

=2x+7

2x+7=2x+7

2x=2x

2x-2x=2x-2x

0=0

true for all x