SOLUTION: I am not exactly sure if this is a linear equation but I need help!!! I am homeschooled and I dont understand one of the problems in my book- I would send you the ISBN # but my

Algebra ->  Algebra  -> Coordinate Systems and Linear Equations -> SOLUTION: I am not exactly sure if this is a linear equation but I need help!!! I am homeschooled and I dont understand one of the problems in my book- I would send you the ISBN # but my      Log On

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Question 184062: I am not exactly sure if this is a linear equation but I need help!!!
I am homeschooled and I dont understand one of the problems in my book- I would send you the ISBN # but my book doesnt have one I guess.
The section is called " Uniting Literal Coefficients by Using Parentheses"
I dont understand how to do it and like in this problem- the directions say to subtract the lower expression from the upper one-
dy+az
ey-bz

that is just a sample problem another one is-
ax+aby
bx+aby


Please HELP me- Thank you so much- if you need any more info, please just ask.
Answer by solver91311(16897) About Me  (Show Source):
You can put this solution on YOUR website!





To subtract expressions, change the sign of the subtrahend (the bottom expression) and add:






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You don't say, but I presume you want to subtract again, so:






John