Mathematics
Mathematics, 13.02.2022 16:30, thedocgalloway

For each expression, write an equivalent expression that uses only addition. 20−9+8−7
4x−7y−5z+6
-3x−8y−4−87z

answer
Answers: 1

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For each expression, write an equivalent expression that uses only addition. 20−9+8−7
4x−7y−...

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