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Mathematics 12 Online
OpenStudy (anonymous):

(3x+2)+(-x+5)+1

OpenStudy (anonymous):

Oh wait, its (3x+2)+(-x+5)=2x-7, sorry

OpenStudy (anonymous):

Are you sure that's the equation? It has no solution. \[ 3x + 2 - x + 5 = 2x - 7 \implies 2x + 7 = 2x-7\]

OpenStudy (anonymous):

Yeah thats the one

OpenStudy (anonymous):

It has no solutions, then. Because it would imply that: \[ 2x + 7 = 2x - 7 \implies 2x - 2x = 7 + 7 \implies 0 = 14\]which is not true.

OpenStudy (anonymous):

Ok. Thanks though

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