Answer :

konrad509
[tex] x+x+2+x+4+x+6=-28\\ 4x=-40\\ x=-10[/tex]
Lilith
[tex]x+x+2+x+4+x+6=-28\\\\4x+12=-28\ \ |\ subtract\ 12\ to\ both\ sides\\\\4x=-28-12\\\\4x=-40\ \ | \ divide \ both \ sides\ by\ 4\\\\x=-10[/tex]


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