-3x-32
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x + (3 - 2) = -5Clear the parentheses on the left side:x + 1 = -5Subtract 1 from each side:x = -6That's the whole set of solutions.There's only one solution.
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}.
-4
6x = 1 x = 1/6
2x2+5x-3 = 0 (2x-1)(x+3) = 0 x = 1/2 or x -3