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3 votes
Evaluate 4(2a - b) when a = -1 and b = 5

A -48
B -28
C -12
D 32

User MrkK
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1 Answer

4 votes
I'd suggest you enclose -1 and 5 within brackets as shown:


4( 2[-1] - [5] ). Do the work within parentheses FIRST: 4( -7 ).
Then multiply as indicated: -28
User Daniel Pereira
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