Question

Which expression is equivalent to -21 - 4

A. 21+4
B.-21+(-4)
C.-21+4
D.21+(4)

Answer 1

B.-21+(-4)

Explanation:

A plus and a minus make a minus, so -21-4 = -21+(-4).

Answer 2

Answer: -21+(-4)

Explanation:

plus and minus sign equals minus