add the following algebraic expression:-
(a)9a-7b, 4a +5b, 17b - 6a, 2a +7.
(b) 9x-3y+5,4x+7,2y+17.
please answer fast
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sorry 3i don't answer fff
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Answer:
a) 9a+18b+7
b) 13x-1y+29
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