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Leto [7]
1 year ago
10

WILL GIVE BRAINLIEST!!! Write each of the following expressions without using absolute value.

Mathematics
2 answers:
a_sh-v [17]1 year ago
8 0

Answer:

7 - z - 9 + z = -2

salantis [7]1 year ago
5 0

Answer:

If z<7, then z-7 is negative, and |z-7| is positive.  So, with the understanding that z-7 is positive, the first part of this expression becomes:

7-z for z<7

Similarly:  if z<7, then z-9 is negative and |z-9| is positive.  Thus, -|z-9| is equivalent to (9-z).

|z−7|−|z−9|, if z<7 becomes (7-z) - (9-z) for z<7.  Simplifying this, we get:

7 - z - 9 + z = -2

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