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  3. lucia finds that (3x+3x+5)+ (7x?9x+8) 10x?12x+13.

Lucia finds that (3x+3x+5)+ (7x?9x+8) 10x?12x+13. What error did Lucia make?She found the difference...

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Lucia finds that (3x+3x+5)+ (7x?9x+8) 10x?12x+13. What error did Lucia make?She found the difference instead of the sum.She combined the terms 3x and 7x incorrectly.She combined the terms 3x and -9x incorrectly.She did not combine all like terms.

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