SOLUTION: i started with -3x+2x+1=4, and when -x-3=0 becomes x=-3 how does that happen?

SOLUTION: i started with -3x+2x+1=4, and when -x-3=0 becomes x=-3 how does that happen?

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Question 468653: i started with -3x+2x+1=4, and when -x-3=0 becomes x=-3 how does that happen?

Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
-3x+2x+1=4
-x+1-1=4-1
-x=3
-1*-x=3*-1
x=-3
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