Seudónimo Seudónimo

02-03-2017
Mathematics

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-2x-9=-4 help me pleaseeeeeeee

Respuesta :

02-03-2017

-2x-9=-4
add 9 to both sides of the equation.
9+-4 is 5.
-2x = 5
divide by both sides now.
x= -2.5

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