a) [tex]9-\left(6\right)[/tex]
[tex]=9-6[/tex]
[tex]=3[/tex]
b) [tex]-\left(-2\right)-\left(-8\right)[/tex]
[tex]=2+8[/tex]
[tex]=10[/tex]
c) [tex]-(+7)+(-3)[/tex]
[tex]=-7-3[/tex]
[tex]=-10[/tex]
d) [tex]\left(-4+9\right)-\left(6\right)[/tex]
[tex]-4+9=5[/tex]
[tex]=5-\left(6\right)[/tex]
[tex]=-1[/tex]
[tex]Buena\:suerte\:con\:tus\:tareas\::ProfeAndresFelipe :)[/tex]
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Verified answer
a) [tex]9-\left(6\right)[/tex]
[tex]=9-6[/tex]
[tex]=3[/tex]
b) [tex]-\left(-2\right)-\left(-8\right)[/tex]
[tex]=2+8[/tex]
[tex]=10[/tex]
c) [tex]-(+7)+(-3)[/tex]
[tex]=-7-3[/tex]
[tex]=-10[/tex]
d) [tex]\left(-4+9\right)-\left(6\right)[/tex]
[tex]-4+9=5[/tex]
[tex]=5-\left(6\right)[/tex]
[tex]=-1[/tex]
[tex]Buena\:suerte\:con\:tus\:tareas\::ProfeAndresFelipe :)[/tex]