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Mathematics, 17.05.2021 16:10 recon12759

Identify and then combine the like terms to create equivalent expressions. 1) 9 + 7 +2z-z

2) 20 + 3x -4y

3)13+22x - 5

Brainliest goes to the explaination. Thank you!

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Identify and then combine the like terms to create equivalent expressions. 1) 9 + 7 +2z-z
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