Respuesta :

4x+1=2x+7

2x-2x=0

move 2x to the left hand side. The sign changes from positive to negative for 2x.

4x-2x=7-1

move 1 to the right hand side. The sign for 1 changes from positive to negative.

2x= 6

Then divide by 6 for each number .

x = 3

Answer : a