Tìm x, biết: 3(x - 2) - 15 = 2x - (-3); -14 - (x + 6) = -7 - (-8)

3(x-2)-15=2x-(-3)
-14-(x+6)=-7-(-8)
15-(2-x)=-7-8
-25+(-12-x)=8-18
x-52=32.(-64)=64.68
(x-1)(x+3)=0
-15-|9-x|=-225
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