7y - [ - { - ( - 7x)}]
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3
7y - [ - { - ( - 7 x ) } ]
=> 7y - [ - { 7x }]
=> 7y - [ - 7x ]
=> 7y + 7x
=> 7( y + x )
=> 7y - [ - { 7x }]
=> 7y - [ - 7x ]
=> 7y + 7x
=> 7( y + x )
Answered by
1
It is given that ,
7y - [ - { - ( -7x )} ]
= 7y - [ - { 7x } ]
= 7y + 7x
= 7x + 7y
••••
7y - [ - { - ( -7x )} ]
= 7y - [ - { 7x } ]
= 7y + 7x
= 7x + 7y
••••
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