(16a-3b)-(2a+6b)+(3a)+(a-2b)
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=16a-3b-2a-6b+3a+a-2b
=16a-2a+3a+a-3b-6b-2b
=18a-11b.
=16a-2a+3a+a-3b-6b-2b
=18a-11b.
deepak1615:
wrong
why
what's wrong
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