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Add : (i) 3mn -5mn, 8mn - 4mn (ii) ...

Add :
(i) `3mn -5mn, 8mn - 4mn`
(ii) `t-8tz, 3tz - z, z-t`

Text Solution

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(i) `3mn- 5mn+ 8mn- 4mn`
`= 11mn- 9mn= 2mn`
(ii) `t- 8tz+ 3tz - z + z -t`
`=- 8tz + 3tz = - 5tz `
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