Answered

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I need some help please What's |5| + |–7|?

Sagot :

Answer:

hello there!

[tex]\left|5\right|+\left|-7\right|[/tex]

[tex]rule =a,\:a\ge 0[/tex]

[tex]|5|=5[/tex]

[tex]\mathrm{Apply\:absolute\:rule}:\quad \left|-a\right|=a[/tex]

[tex]\left|-7\right|=7[/tex]

[tex]5+7=[/tex]

[tex]12[/tex]

hope this helps you..

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