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OpenStudy (anonymous):
if (a,-8) is the solution to the equation -a=4b-7, what is a? I need help
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OpenStudy (anonymous):
I don't know
hartnn (hartnn):
the point can be written as a,b so, its given that b = -8 plug this in your equation -a = 4 (-8) -7 can u find a from here ?
OpenStudy (anonymous):
yes!!! I was going to say that like I was thinking that to plug -8 in
OpenStudy (anonymous):
is it -39? @hartnn
hartnn (hartnn):
-a = - 39 so a= 39 :)
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OpenStudy (anonymous):
yes!!!!!!! im so happy
OpenStudy (anonymous):
thank you
hartnn (hartnn):
welcome ^_^
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