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Mathematics 20 Online
OpenStudy (anonymous):

one number is 2 more than another number if you add 11 to 6 times the first number the result is 7 times the second number. How do I write out the equations to solve??

OpenStudy (tkhunny):

Please name the numbers. Really, just give them short names so that we can talk about them.

OpenStudy (anonymous):

i'm confused what you want from me, what i wrote is the exact question...

OpenStudy (tkhunny):

I'm not asking for more question. I'm directing you in how to solve it. The question asks for two numbers. What shall we use to represent these two numbers? x and y are common. You could use Steve and Bob if you like, but that may become irritating. Name the numbers!

OpenStudy (anonymous):

I'm confused. I know i need to write this out in an equation in order to solve, my problem is i'm unsure of what equations to write out

OpenStudy (tkhunny):

Can you write an equation with no way to reference your numbers? I'll get you started. x = One of the Numbers Okay, you name the other one.

OpenStudy (anonymous):

I know the numbers will be x and y but i am just confused how to write them out so i can solve

OpenStudy (tkhunny):

No, you do not know that until you WRITE that. That's all I'm trying to get you to do. WRITE DOWN your clear definitions. x = One of the numbers y = The other number. Quite obviously, you do not understand the power of this simple step. I recommend it! Okay, now we can talk about building equations. It's just a little translation. "one number is 2 more than another number" x = 2+y So x is the greater of the 2 numbers. "if you add 11 to 6 times the first number the result is 7 times the second number." Let's see you translate this one.

OpenStudy (anonymous):

6x+11=7y??

OpenStudy (tkhunny):

Perfect. Why do you doubt?! Now what?

OpenStudy (anonymous):

I just wasn't sure about the equations. once i have them i know i just have to plug the value i know in and solve. Thank you :)

OpenStudy (tkhunny):

Well, there you go. Don't forget that important definition step. It WILL save you.

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