-9+2x+13+7x-10-12x
-19+13+9x-12x
+6-3x
ahi esta :3
Respuesta:
[tex]-9+2x+13+7x-10-12x\\\\\\=2x+7x-12x-9+13-10\\\\\\=-3x-9+13-10\\\\\\=-3x-6[/tex]
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Verified answer
-9+2x+13+7x-10-12x
-19+13+9x-12x
+6-3x
ahi esta :3
Respuesta:
-9+2x+13+7x-10-12x
[tex]-9+2x+13+7x-10-12x\\\\\\=2x+7x-12x-9+13-10\\\\\\=-3x-9+13-10\\\\\\=-3x-6[/tex]