105k views
5 votes
The sum of a number and 3 is greater than 10

x < 7
x > 7
x < 13
x > 13

User Lajosdeme
by
3.0k points

2 Answers

6 votes


\huge\textsf{Hey there!}


\large\textsf{\underline{The sum of a number and 3 is greater than 10.}}


\large\textsf{Well, the word sum simply means add. The word number}\\\large\textsf{ is unknown so we will label it as x.}


\large\textsf{We will make this your equation: x + 3 } \mathsf{ > } \large\textsf{ 10}


\large\textsf{Now lets solve for your answer.}\downarrow


\large\textsf{x + 3 }\mathsf{>}\large\textsf{ 10}


\large\textsf{SUBTRACT 3 to BOTH SIDES}


\large\textsf{x + 3 - 3 } \mathsf{>} \large\textsf{ 10 - 3}


\large\textsf{CANCEL out: 3 - 3 because that gives you 0}


\large\textsf{KEEP: 10 - 3 because that helps what is being compared to the x-value}


\large\textsf{x } \mathsf{>} \large\textsf{ 10 - 3}


\large\textsf{10 - 3 = \bf 7}


\large\textsf{\bf x } \mathsf{\bf >\ } \large\textsf{ \bf 7}


\boxed{\boxed{\large\textsf{Therefore, your answer is: \bf x}>\textsf{\bf 7}\huge\textsf{ (Option B.)}}}\huge\checkmark


\huge\textsf{Good luck on your assignment \&amp; enjoy your day!}

~
\frak{Amphitrite1040:)}

4 votes

Answer:

x > 7

Explanation:

Let x be the unknown number

x+3 > 10

Subtract 3 from each side

x+3-3 > 10-3

x > 7

User Jwchang
by
3.5k points