Answer:
- [tex]\boxed{\sf B)\:-3}[/tex]
Step-by-step explanation:
[tex]\sf 15+\left(-18\right)[/tex]
[tex]\sf Rule: a+\left(-b\right)=a-b[/tex]
[tex]\sf 15-18[/tex]
Subtract numbers:
[tex]\sf -3[/tex]
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Hope it helps!
Have a good day!
