\"\"

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The equation is \"\".

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According to addition property of equality: if a = b, then a + c = b + c.

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\"\"           (Add 25 to each side)

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

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k = 55                                    (Add: 30 + 25 = 55)\"\"

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Check:

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To check the solution Substitute the value of k = 55 in above equation.

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\"\"

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30 = 30                                  (Subtract: \"\")

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The equality is true \ \ \"\"

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Graph the solution on a number line

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\"graph\"\"

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The value of k = 55.