I want to get the solution for this

Dear student
(i) L.h.s. 21 - (-18) = 21+18 = 39, R.h.s 21+18 = 39
L.h.s. = R.h.s ( verified)
(ii) l.h.s 118 - ( -125) = 118 +125 = 243 , r.h.s 118 + 125 = 243
l.h.s = r.h.s ( verified)
Do remaining parts as above .
regards.

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