Respuesta :

twvogels
To solve we need to isolate [tex]x[/tex].

Start by adding 1 to both sides:
[tex]4x-1+1=7+1[/tex]
[tex]4x=8[/tex]

Then divide both sides by 4:
[tex]\frac{4x}{4} = \frac{8}{4}[/tex]
[tex]x=2[/tex]
4x-1 =  7
   +1   +1
   4x = 8
     4    4 
    x = 2

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