Respuesta :

4x+5=13 

Start by subtracting 5 from both sides: 

4x+5-5=13-5

4x=8

Divide both sides by 4 to isolate x 

x=2 
4x+5=13
    -5    -5
4x=8
/4  /4
x=2
you subtract 5 from both sides which makes 4x=8 then you divide by 4 on both sides and 8 divided my 4 equals 2 so x is 2.