Respuesta:
[tex]x = - 100[/tex]
Explicación paso a paso:
[tex]120 + 70 + x = 90[/tex]
[tex]190 + x = 90[/tex]
[tex]x = 90 - 190[/tex]
120+70+x=90
190+x = 90
-190 -190
x= -100
:) de nada
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Verified answer
Respuesta:
[tex]x = - 100[/tex]
Explicación paso a paso:
[tex]120 + 70 + x = 90[/tex]
[tex]190 + x = 90[/tex]
[tex]x = 90 - 190[/tex]
[tex]x = - 100[/tex]
Respuesta:
120+70+x=90
190+x = 90
-190 -190
x= -100
:) de nada