Question

simplify

3a+2b-c-5a+7c-abc-166+15a​

Answer 1

3a+2b-c-5a+7c-abc-166+15a​

Collect like terms

3a-5a+15a+2b-c+7c-abc-166

-8a+15a+2b+6c-abc-166

+7a+2b+6c-abc-166

=7a+2b+6c-166

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