A. which of the following expressions is correct?
) = 21
-(21) = 21
) = -21
(-21) = 21
b. the distance from a point to two is five units. the point could be located at
-7
-6
6
-3
c. m is an example of all of the following except
a constant
a term
an expression
a variable

question A

answer -(-21)=21

question B

answer -3

question C

answer a variable

1. -(-21)=21

2. -3

3. A constant

x = 17

step-by-step explanation:

1st step: isolate x.

24 - 3x = -27

-24         -24

-3x   =   -51

2nd step: divide.

-3x     =   -51

  3             3

  x       =     17

hope this

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