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10 June, 01:40

Simplify (-7a-19c) - (-12a+30c) - (-21a-11c)

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  1. 10 June, 03:45
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    Drop parentheses - 7a-19c+12a+30c+21a-11a

    Combine like terms - 18a-19c+33a+30c

    Combine like terms (again) 15a+11c

    Simplified, this expression is 15a+11c
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