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2x - 3 - 8 = 1. 2x - 11 = 1. 2x = 12.x = 6!
The answer is 4. 3x4 - 1 =11 12 - 1 = 11
It means a listing of every solution to an equation. Example 1: 3x + 1 = 10. Solution set: x is an element of the set {3}. That means there is just one solution. If you replace "x" in the original equation with "3", you get a true statement; if you replace it with anything else, you don't. Example 2: x2 = 25. Solution set: x is an element of the set {5, -5}.
(-2,-1)
6a + 5a = -11 11a = -11 a = -11/11 = -1