Answer:
Your mystery number is [tex]\frac{7}{6}[/tex]
Step-by-step explanation:
Let us assign the unknown number the variable of [tex]x[/tex]
[tex]5x-3=x-4\\5x-3-5x=x-4-5x\\-3=-4x-4\\-3+4=-4x-4+4\\1=-4x\\\\\frac{1}{4}=\frac{-4x}{4} \\\\-\frac{1}{4}=x[/tex]
