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Ily begins solving the equation 4(x – 1) – x = 3(x + 5) – 11. her work is shown below. 4(x – 1) – x = 3(x + 5) – 11 4x – 4 – x = 3x + 15 – 11 3x – 4 = 3x + 4 how can her partial solution be interpreted?

The sum of two numbers is 86, and their difference is 20. find the two numbers

Polygon abcde is reflected to produce polygon a′b′c′d′e′. what is the equation for the line of reflection?