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An equation is shown below:

8.3x + 2.7(x − 7) = 7x + 4x − 18.9



Part A: Solve the equation and write the number of solutions. Show all calculations.



Part B: Name a property used to solve this equation.

1 answer

Part A:

8.3x + 2.7(x − 7) = 7x + 4x − 18.9
8.3x + 2.7x - 18.9 = 7x + 4x - 18.9
11x - 18.9 = 11x - 18.9
0 = 0

There are infinite solutions for this equation.

Part B:

The property used to solve this equation is the Distributive Property, where we distribute the 2.7 to both terms inside the parentheses.
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