3x/4+3=20
<=> 0.75x +3 =20
<=> 0.75x = 17
<=> x = 68/3
I think it’s gonna be the 3rd one
So we need to isolate the variable. In order to do that, we need to multiply both sides by 5/4.
Why? That's so that 4/5z will be canceled out when multiplied by 5/4 to get just z.
And so, we would get 20 as our answer.
1.60 I believe is the answer
Hope that helped :)
