Math, asked by Joanna6039, 11 months ago

Evaluate : (i) -7x + 9x + 2x -2x (ii) 5ab - 2ab - 8ab + 6ab

Answers

Answered by sihushambhavi
4
(i) -7x + 9x +2x - 2x= -7x +9x-0= 9x-7x=2x
(ii) 5ab - 2ab - 8ab + 6ab= 3ab-2ab=ab

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