RS Aggarwal Class 7 Mathametics Sixth Chapter Algebraic Expressions Exercise 6A Solution
(1) Add the following expressions:
(3) Subtract (2a – 3b + 4c) from the sum of (a + 3b – 4c),(4a -b +9c)and (-2b +3c -a).
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Where is 6 number 4
Where questions 3and 4