Answer:
20
Step-by-step explanation:
x = 20
[tex]\frac{x}{4}-1=4[/tex] {Add 1 to both sides}
+ 1 = +1
[tex]\frac{x}{4}[/tex] = 5 {Multiply both sides by 4}
[tex]\frac{x}{4}*4=5*4\\\\[/tex]
