4

-7

7. If x=

=

-2

y =

and z=

then verify that

9

12

3

x – (y – z) = (x – y) – Z.

# 4

### 1 thought on “4<br />-7<br />7. If x=<br />=<br />-2<br />y =<br />and z=<br />then verify that<br />9<br />12<br />3<br />x – (y – z) = (x – y)”

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Answer:read the question properly