Evaluate 4(2a - b) when a = -1 and b = 5 A -48 B -28 C -12 D 32

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asked May 24, 2018 34.0k views

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Daniel Pereira · Answer 1 · 2018-05-30T01:18:22+0000

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

Evaluate 4(2a - b) when a = -1 and b = 5 A -48 B -28 C -12 D 32

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