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Mathematics 7 Online
OpenStudy (anonymous):

how could u do this in a essay nathan age can be described as 5 more than 3 times his son ages.if his son age is represented by the variable "s" write the algebriac expression representing nathans age using"s"

OpenStudy (anonymous):

5 "more" than something indicates addition. 3 "times" something of course is multiplication. Can you try to write an expression using this information?

OpenStudy (anonymous):

okay so is nathan age is 5s times 3s

OpenStudy (chriss):

the variable is first multiplied by 3, then 5 is added to that.

OpenStudy (anonymous):

okay am confused

OpenStudy (chriss):

So the age of the son is s. Nathan's age is 3 times s plus an additional 5.

OpenStudy (anonymous):

nathans son is 3s more than nathans 5s

OpenStudy (chriss):

Nathan's son is just s. Let's break it down into 2 steps. First show me how you would express three times s.

OpenStudy (anonymous):

u want me to be honest i have no idea

OpenStudy (anonymous):

let me tell u i never thou going back to school was going to be so difficult

OpenStudy (chriss):

That's ok. To multiply a variable by a certain number, you make that number a coefficient of the variable. Or in simpler terms, you put that number in front of the variable... so three times the variable s would be what?

OpenStudy (anonymous):

9

OpenStudy (anonymous):

9s

OpenStudy (chriss):

we are multiplying s by 3

OpenStudy (chriss):

So 3 would be you coefficient.

OpenStudy (chriss):

With 3 as your coefficient of s, you have part of Nathan's age. 3 times his son's age is 3s So if you want to add 5 to 3s, how would you write that?

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