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8x+5y-4 and 4x-3y-9

I need the answer to this it's not for school just for a project problem


I'd give you an answer, but you haven't told me what the question is.  Are the expressions part of a system of equations to be solved?  If so, what does each expression equal? 

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Muhammad C. | Muhammad the grand math tutorMuhammad the grand math tutor
4.9 4.9 (216 lesson ratings) (216)
I'm guess that you are requesting the sum of the polynomials. if you combine the like terms you get:
8x + 4x = 12x
5y - 3y = 2y
-4 + -9 = -13
12x + 2y - 13