Respuesta:
D) x= -2
Explicación paso a paso:
9x/4 +7 = 1/2 -x
9x/4 + 28/4 = 2/4 -4x/4
9x + 28 = 2 -4x
9x +4x = 2 -28
13x = -26
x= -26/13
x= -2
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Respuesta:
D) x= -2
Explicación paso a paso:
9x/4 +7 = 1/2 -x
9x/4 + 28/4 = 2/4 -4x/4
9x + 28 = 2 -4x
9x +4x = 2 -28
13x = -26
x= -26/13
x= -2