Question

. If a = 3, b = 1, and c = – 1, what does (b + c) ‒ (c – a)
equal?

Answer 1

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( b + c ) - ( c - a )

( 1 - 1 ) - ( -1 - 3 )

( 0 ) - ( - 4 )

- 4

Answer 2

[ 1 + (-1)] - ( -1 - 3)

= 0 - (-4)

= 4