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4x+9=2x-6 2x=-15 x=-7.5 x equals -7.5.
4x + 2 + 2x - 2x = 14 4x = 14 - 2 4x = 12 x = 3
If 4x - 2x + 4 = 10, the solution is 2x + 4 = 10 and x = 3.
4x - 5 + 2x = 37
4x - 7 = 2x + 15 4x = 2x +222x = 22x = 11