Respuesta :

Answer

x-7

Step-by-step explanation

Let x = unknown number

= x decreased by 7

= x-7

[tex]\huge\text{Hey there!}[/tex]

“ [tex]\large\text{A number decreased by seven}[/tex]”

[tex]\large\text{Whenever you see or hear the word \underline{decrease} in mathematics it usually}\\\large\text{means \underline{SUBTRACT} , so you are taking away a number. You are usually going}\\\large\text{\underline{DOWNWARD}}[/tex]

[tex]\large\text{The phrase \underline{a number} usually means that you have an \underline{unknown variable}}[/tex]

[tex]\large\text{Now that have that little GUIDE for you to follow by for this equation,}\\\large\text{lets ANSWER your given equation}[/tex]

[tex]\large\text{We can say your unknown variable is going to be labeled as \bf s}[/tex]

[tex]\large\text{REMEMBER we said that DECREASED means subtract or taking}\\\large\text{away!}[/tex]

[tex]\large\text{Seven will simply be 7 because you have that information already}\\\large\text{in your algebraic expression}[/tex]

[tex]\large\text{Based on the given information we did, we have reached your answer}[/tex]

[tex]\large\text{= \bf s - 7}[/tex]

[tex]\boxed{\boxed{\large\text{Answer: \huge \bf s - 7}}}\huge\checkmark[/tex]

[tex]\text{Good luck on your assignment and enjoy your day!}[/tex]

~[tex]\frak{Amphitrite1040:)}[/tex]

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