SOLUTION: I'm trying to help my daughter with her algebra homework and want to make sure I've done the problem correctly before I do?!? a/7 + 5/7 = 2/7 My answer is a = -3 Am I corr

Algebra ->  Sequences-and-series -> SOLUTION: I'm trying to help my daughter with her algebra homework and want to make sure I've done the problem correctly before I do?!? a/7 + 5/7 = 2/7 My answer is a = -3 Am I corr      Log On


   



Question 661336: I'm trying to help my daughter with her algebra homework and want to make sure I've done the problem correctly before I do?!?
a/7 + 5/7 = 2/7
My answer is a = -3
Am I correct?

Answer by MathTherapy(10552) About Me  (Show Source):
You can put this solution on YOUR website!

I'm trying to help my daughter with her algebra homework and want to make sure I've done the problem correctly before I do?!?
a/7 + 5/7 = 2/7
My answer is a = -3
Am I correct?

Yes, you are!!

In order to determine if your solution to an equation is correct, you just have to substitute the value of each variable into the original equation(s), and see if that/those value(s) makes the equation(s) true. Hence,

a%2F7+%2B+5%2F7+=++2%2F7

(TRUE)

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