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Mathematics, 08.01.2021 02:50 Adot23x

The expression 2.4x−3.9y−1.2x+ay is equivalent to 1.2x+1.2y. What is the value of a?

Enter your answer as a decimal, like this: 42.5

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The expression 2.4x−3.9y−1.2x+ay is equivalent to 1.2x+1.2y. What is the value of a?

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