\"\"

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Given equation is \"3.

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\"3              (Add 7 to each side) \ \

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\"3                    (Apply additive inverse property: \"minus) \ \

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\"3                          (Apply additive identity property: \"3)

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\"fraction                     (Divide each side by 3) \ \

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\"y                        (Simplify) \ \

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The direct variation equation is \"Syntax.here a is constant of variation.

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Solve for a:

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Comparing above two equations \"y and \"Syntax,

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\"Syntax

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\"\"

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The constant of variation a is \"10.