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OpenStudy (anonymous):
Simplify. 9 – (3)(–5) A. –30 B. –6 C. 30 D. 24
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OpenStudy (alexandervonhumboldt2):
3*(-5)=-(3*5)=????
OpenStudy (alexandervonhumboldt2):
so we have 9-(-(3*5))=9-(-15)=9+15=???
OpenStudy (jadedry):
In an equation you have to multiply/divide before you subtract/add. The exception to this rule is when subtraction/addition expressions are bracketed.
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