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11-59.

Add 11 to both sides.

6x = 3x + 27

Subtract 3x from both sides.

3x = 27

Solve for x.

x = 9

Distribute the −2.

Follow the steps in part a.

Multiply both sides by a common factor of the denominators to remove the fractions.

6 = 10( k − 2 )

Follow the steps in part b.

Follow the steps in part c.

x = 7