\"\"\"\"

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The equation is\"\".

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Rearrange the terms using the commutative property: a + b = b + a.

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\"\"

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\"\"                     (Add:\"\")\"\"

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\"\"     (Add 7.4 to each side)

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According to Additive inverse property: For any number a + (– a) = 0.

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So, \"\"

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According to Additive identity property: For any number 0 + a = a.

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So, \"\"

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\"\"

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The value of\"\".